Home / 912,876.20-1,369,314.30-807,900.20

Finding the Fourth Proportional to 912,876.20, 1,369,314.30 and 807,900.20

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Solution

The fourth proportional to 912,876.20, 1,369,314.30 and 807,900.20 is: 1,211,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,876.20 : 1,369,314.30 = 807,900.20 : x
  2. Step 2: Convert to fraction form
    912,876.20/1,369,314.30 = 807,900.20/x
  3. Step 3: Cross multiply
    912,876.20x = 1,369,314.30 × 807,900.20
  4. Step 4: Simplify right side
    912,876.20x = 1,106,269,296,832.86
  5. Step 5: Solve for x
    x = 1,106,269,296,832.86/912,876.20
  6. Step 6: Final answer
    x = 1,211,850.30

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Similar ratio
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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.