Home / 1,042,439.76-1,437,306.12-881,010

Finding the Fourth Proportional to 1,042,439.76, 1,437,306.12 and 881,010

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Solution

The fourth proportional to 1,042,439.76, 1,437,306.12 and 881,010 is: 1,214,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,439.76 : 1,437,306.12 = 881,010 : x
  2. Step 2: Convert to fraction form
    1,042,439.76/1,437,306.12 = 881,010/x
  3. Step 3: Cross multiply
    1,042,439.76x = 1,437,306.12 × 881,010
  4. Step 4: Simplify right side
    1,042,439.76x = 1,266,281,064,781.20
  5. Step 5: Solve for x
    x = 1,266,281,064,781.20/1,042,439.76
  6. Step 6: Final answer
    x = 1,214,728.29

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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.