Home / 1,073,179.60-1,609,186.20-442,157.20

Finding the Fourth Proportional to 1,073,179.60, 1,609,186.20 and 442,157.20

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Solution

The fourth proportional to 1,073,179.60, 1,609,186.20 and 442,157.20 is: 662,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,179.60 : 1,609,186.20 = 442,157.20 : x
  2. Step 2: Convert to fraction form
    1,073,179.60/1,609,186.20 = 442,157.20/x
  3. Step 3: Cross multiply
    1,073,179.60x = 1,609,186.20 × 442,157.20
  4. Step 4: Simplify right side
    1,073,179.60x = 711,513,264,470.64
  5. Step 5: Solve for x
    x = 711,513,264,470.64/1,073,179.60
  6. Step 6: Final answer
    x = 662,995.52

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Double scale
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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.