Home / 1,182,138.10-1,773,207.15-472,275.70

Finding the Fourth Proportional to 1,182,138.10, 1,773,207.15 and 472,275.70

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Solution

The fourth proportional to 1,182,138.10, 1,773,207.15 and 472,275.70 is: 708,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,138.10 : 1,773,207.15 = 472,275.70 : x
  2. Step 2: Convert to fraction form
    1,182,138.10/1,773,207.15 = 472,275.70/x
  3. Step 3: Cross multiply
    1,182,138.10x = 1,773,207.15 × 472,275.70
  4. Step 4: Simplify right side
    1,182,138.10x = 837,442,648,011.26
  5. Step 5: Solve for x
    x = 837,442,648,011.26/1,182,138.10
  6. Step 6: Final answer
    x = 708,413.55

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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.