Home / 881,029.10-1,321,543.65-781,301.90

Finding the Fourth Proportional to 881,029.10, 1,321,543.65 and 781,301.90

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Solution

The fourth proportional to 881,029.10, 1,321,543.65 and 781,301.90 is: 1,171,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,029.10 : 1,321,543.65 = 781,301.90 : x
  2. Step 2: Convert to fraction form
    881,029.10/1,321,543.65 = 781,301.90/x
  3. Step 3: Cross multiply
    881,029.10x = 1,321,543.65 × 781,301.90
  4. Step 4: Simplify right side
    881,029.10x = 1,032,524,564,677.94
  5. Step 5: Solve for x
    x = 1,032,524,564,677.94/881,029.10
  6. Step 6: Final answer
    x = 1,171,952.85

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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.