Home / 1,486,793.64-2,229,854.10-687,636.48

Finding the Fourth Proportional to 1,486,793.64, 2,229,854.10 and 687,636.48

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Solution

The fourth proportional to 1,486,793.64, 2,229,854.10 and 687,636.48 is: 1,031,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,793.64 : 2,229,854.10 = 687,636.48 : x
  2. Step 2: Convert to fraction form
    1,486,793.64/2,229,854.10 = 687,636.48/x
  3. Step 3: Cross multiply
    1,486,793.64x = 2,229,854.10 × 687,636.48
  4. Step 4: Simplify right side
    1,486,793.64x = 1,533,329,024,237.57
  5. Step 5: Solve for x
    x = 1,533,329,024,237.57/1,486,793.64
  6. Step 6: Final answer
    x = 1,031,299.15

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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.