Home / 1,008,082.85-1,512,124.28-889,984.85

Finding the Fourth Proportional to 1,008,082.85, 1,512,124.28 and 889,984.85

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Solution

The fourth proportional to 1,008,082.85, 1,512,124.28 and 889,984.85 is: 1,334,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,082.85 : 1,512,124.28 = 889,984.85 : x
  2. Step 2: Convert to fraction form
    1,008,082.85/1,512,124.28 = 889,984.85/x
  3. Step 3: Cross multiply
    1,008,082.85x = 1,512,124.28 × 889,984.85
  4. Step 4: Simplify right side
    1,008,082.85x = 1,345,767,700,517.16
  5. Step 5: Solve for x
    x = 1,345,767,700,517.16/1,008,082.85
  6. Step 6: Final answer
    x = 1,334,977.28

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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.