Home / 864,086.10-1,296,129.15-745,890.90

Finding the Fourth Proportional to 864,086.10, 1,296,129.15 and 745,890.90

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Solution

The fourth proportional to 864,086.10, 1,296,129.15 and 745,890.90 is: 1,118,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,086.10 : 1,296,129.15 = 745,890.90 : x
  2. Step 2: Convert to fraction form
    864,086.10/1,296,129.15 = 745,890.90/x
  3. Step 3: Cross multiply
    864,086.10x = 1,296,129.15 × 745,890.90
  4. Step 4: Simplify right side
    864,086.10x = 966,770,938,209.74
  5. Step 5: Solve for x
    x = 966,770,938,209.74/864,086.10
  6. Step 6: Final answer
    x = 1,118,836.35

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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.