Home / 1,255,318.52-1,732,528.96-765,572.22

Finding the Fourth Proportional to 1,255,318.52, 1,732,528.96 and 765,572.22

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Solution

The fourth proportional to 1,255,318.52, 1,732,528.96 and 765,572.22 is: 1,056,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,318.52 : 1,732,528.96 = 765,572.22 : x
  2. Step 2: Convert to fraction form
    1,255,318.52/1,732,528.96 = 765,572.22/x
  3. Step 3: Cross multiply
    1,255,318.52x = 1,732,528.96 × 765,572.22
  4. Step 4: Simplify right side
    1,255,318.52x = 1,326,376,042,121.49
  5. Step 5: Solve for x
    x = 1,326,376,042,121.49/1,255,318.52
  6. Step 6: Final answer
    x = 1,056,605.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.