Home / 1,061,124.20-1,591,686.30-851,172.20

Finding the Fourth Proportional to 1,061,124.20, 1,591,686.30 and 851,172.20

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Solution

The fourth proportional to 1,061,124.20, 1,591,686.30 and 851,172.20 is: 1,276,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,124.20 : 1,591,686.30 = 851,172.20 : x
  2. Step 2: Convert to fraction form
    1,061,124.20/1,591,686.30 = 851,172.20/x
  3. Step 3: Cross multiply
    1,061,124.20x = 1,591,686.30 × 851,172.20
  4. Step 4: Simplify right side
    1,061,124.20x = 1,354,799,129,680.86
  5. Step 5: Solve for x
    x = 1,354,799,129,680.86/1,061,124.20
  6. Step 6: Final answer
    x = 1,276,758.30

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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.