Home / 1,539,315.92-2,124,350.28-860,306.64

Finding the Fourth Proportional to 1,539,315.92, 2,124,350.28 and 860,306.64

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Solution

The fourth proportional to 1,539,315.92, 2,124,350.28 and 860,306.64 is: 1,187,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,315.92 : 2,124,350.28 = 860,306.64 : x
  2. Step 2: Convert to fraction form
    1,539,315.92/2,124,350.28 = 860,306.64/x
  3. Step 3: Cross multiply
    1,539,315.92x = 2,124,350.28 × 860,306.64
  4. Step 4: Simplify right side
    1,539,315.92x = 1,827,592,651,569.86
  5. Step 5: Solve for x
    x = 1,827,592,651,569.86/1,539,315.92
  6. Step 6: Final answer
    x = 1,187,275.87

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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.