Home / 1,011,691.20-1,396,092.21-552,821.52

Finding the Fourth Proportional to 1,011,691.20, 1,396,092.21 and 552,821.52

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Solution

The fourth proportional to 1,011,691.20, 1,396,092.21 and 552,821.52 is: 762,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,691.20 : 1,396,092.21 = 552,821.52 : x
  2. Step 2: Convert to fraction form
    1,011,691.20/1,396,092.21 = 552,821.52/x
  3. Step 3: Cross multiply
    1,011,691.20x = 1,396,092.21 × 552,821.52
  4. Step 4: Simplify right side
    1,011,691.20x = 771,789,817,592.36
  5. Step 5: Solve for x
    x = 771,789,817,592.36/1,011,691.20
  6. Step 6: Final answer
    x = 762,870.94

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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.