Home / 1,070,366.20-1,605,549.30-860,414.20

Finding the Fourth Proportional to 1,070,366.20, 1,605,549.30 and 860,414.20

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Solution

The fourth proportional to 1,070,366.20, 1,605,549.30 and 860,414.20 is: 1,290,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,366.20 : 1,605,549.30 = 860,414.20 : x
  2. Step 2: Convert to fraction form
    1,070,366.20/1,605,549.30 = 860,414.20/x
  3. Step 3: Cross multiply
    1,070,366.20x = 1,605,549.30 × 860,414.20
  4. Step 4: Simplify right side
    1,070,366.20x = 1,381,437,416,520.06
  5. Step 5: Solve for x
    x = 1,381,437,416,520.06/1,070,366.20
  6. Step 6: Final answer
    x = 1,290,621.30

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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.