Home / 1,039,764.10-1,560,812.55-804,151.30

Finding the Fourth Proportional to 1,039,764.10, 1,560,812.55 and 804,151.30

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Solution

The fourth proportional to 1,039,764.10, 1,560,812.55 and 804,151.30 is: 1,207,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,764.10 : 1,560,812.55 = 804,151.30 : x
  2. Step 2: Convert to fraction form
    1,039,764.10/1,560,812.55 = 804,151.30/x
  3. Step 3: Cross multiply
    1,039,764.10x = 1,560,812.55 × 804,151.30
  4. Step 4: Simplify right side
    1,039,764.10x = 1,255,129,441,138.82
  5. Step 5: Solve for x
    x = 1,255,129,441,138.82/1,039,764.10
  6. Step 6: Final answer
    x = 1,207,129.04

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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.