Home / 864,098.10-1,296,147.15-761,454.90

Finding the Fourth Proportional to 864,098.10, 1,296,147.15 and 761,454.90

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Solution

The fourth proportional to 864,098.10, 1,296,147.15 and 761,454.90 is: 1,142,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,098.10 : 1,296,147.15 = 761,454.90 : x
  2. Step 2: Convert to fraction form
    864,098.10/1,296,147.15 = 761,454.90/x
  3. Step 3: Cross multiply
    864,098.10x = 1,296,147.15 × 761,454.90
  4. Step 4: Simplify right side
    864,098.10x = 986,957,598,488.54
  5. Step 5: Solve for x
    x = 986,957,598,488.54/864,098.10
  6. Step 6: Final answer
    x = 1,142,182.35

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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.