Home / 1,269,695.68-1,904,605.80-511,434.73

Finding the Fourth Proportional to 1,269,695.68, 1,904,605.80 and 511,434.73

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Solution

The fourth proportional to 1,269,695.68, 1,904,605.80 and 511,434.73 is: 767,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,695.68 : 1,904,605.80 = 511,434.73 : x
  2. Step 2: Convert to fraction form
    1,269,695.68/1,904,605.80 = 511,434.73/x
  3. Step 3: Cross multiply
    1,269,695.68x = 1,904,605.80 × 511,434.73
  4. Step 4: Simplify right side
    1,269,695.68x = 974,081,553,079.43
  5. Step 5: Solve for x
    x = 974,081,553,079.43/1,269,695.68
  6. Step 6: Final answer
    x = 767,177.18

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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.