Home / 1,302,105.70-1,953,138.50-355,473.70

Finding the Fourth Proportional to 1,302,105.70, 1,953,138.50 and 355,473.70

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Solution

The fourth proportional to 1,302,105.70, 1,953,138.50 and 355,473.70 is: 533,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,105.70 : 1,953,138.50 = 355,473.70 : x
  2. Step 2: Convert to fraction form
    1,302,105.70/1,953,138.50 = 355,473.70/x
  3. Step 3: Cross multiply
    1,302,105.70x = 1,953,138.50 × 355,473.70
  4. Step 4: Simplify right side
    1,302,105.70x = 694,289,369,207.45
  5. Step 5: Solve for x
    x = 694,289,369,207.45/1,302,105.70
  6. Step 6: Final answer
    x = 533,205.08

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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.