Home / 1,005,685.77-1,507,532.22-472,251.90

Finding the Fourth Proportional to 1,005,685.77, 1,507,532.22 and 472,251.90

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Solution

The fourth proportional to 1,005,685.77, 1,507,532.22 and 472,251.90 is: 707,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,685.77 : 1,507,532.22 = 472,251.90 : x
  2. Step 2: Convert to fraction form
    1,005,685.77/1,507,532.22 = 472,251.90/x
  3. Step 3: Cross multiply
    1,005,685.77x = 1,507,532.22 × 472,251.90
  4. Step 4: Simplify right side
    1,005,685.77x = 711,934,955,206.22
  5. Step 5: Solve for x
    x = 711,934,955,206.22/1,005,685.77
  6. Step 6: Final answer
    x = 707,909.94

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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.