Home / 1,071,729.20-1,606,281.60-472,053.80

Finding the Fourth Proportional to 1,071,729.20, 1,606,281.60 and 472,053.80

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Solution

The fourth proportional to 1,071,729.20, 1,606,281.60 and 472,053.80 is: 707,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,729.20 : 1,606,281.60 = 472,053.80 : x
  2. Step 2: Convert to fraction form
    1,071,729.20/1,606,281.60 = 472,053.80/x
  3. Step 3: Cross multiply
    1,071,729.20x = 1,606,281.60 × 472,053.80
  4. Step 4: Simplify right side
    1,071,729.20x = 758,251,333,150.08
  5. Step 5: Solve for x
    x = 758,251,333,150.08/1,071,729.20
  6. Step 6: Final answer
    x = 707,502.73

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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.