Home / 1,520,442.75-2,278,844.01-709,736.43

Finding the Fourth Proportional to 1,520,442.75, 2,278,844.01 and 709,736.43

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Solution

The fourth proportional to 1,520,442.75, 2,278,844.01 and 709,736.43 is: 1,063,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,442.75 : 2,278,844.01 = 709,736.43 : x
  2. Step 2: Convert to fraction form
    1,520,442.75/2,278,844.01 = 709,736.43/x
  3. Step 3: Cross multiply
    1,520,442.75x = 2,278,844.01 × 709,736.43
  4. Step 4: Simplify right side
    1,520,442.75x = 1,617,378,612,184.28
  5. Step 5: Solve for x
    x = 1,617,378,612,184.28/1,520,442.75
  6. Step 6: Final answer
    x = 1,063,755.02

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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.