Home / 1,025,105.70-1,537,658.55-315,132.60

Finding the Fourth Proportional to 1,025,105.70, 1,537,658.55 and 315,132.60

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Solution

The fourth proportional to 1,025,105.70, 1,537,658.55 and 315,132.60 is: 472,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,105.70 : 1,537,658.55 = 315,132.60 : x
  2. Step 2: Convert to fraction form
    1,025,105.70/1,537,658.55 = 315,132.60/x
  3. Step 3: Cross multiply
    1,025,105.70x = 1,537,658.55 × 315,132.60
  4. Step 4: Simplify right side
    1,025,105.70x = 484,566,336,773.73
  5. Step 5: Solve for x
    x = 484,566,336,773.73/1,025,105.70
  6. Step 6: Final answer
    x = 472,698.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.