Home / 1,414,787.12-2,120,900.68-516,018.32

Finding the Fourth Proportional to 1,414,787.12, 2,120,900.68 and 516,018.32

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Solution

The fourth proportional to 1,414,787.12, 2,120,900.68 and 516,018.32 is: 773,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,787.12 : 2,120,900.68 = 516,018.32 : x
  2. Step 2: Convert to fraction form
    1,414,787.12/2,120,900.68 = 516,018.32/x
  3. Step 3: Cross multiply
    1,414,787.12x = 2,120,900.68 × 516,018.32
  4. Step 4: Simplify right side
    1,414,787.12x = 1,094,423,605,780.46
  5. Step 5: Solve for x
    x = 1,094,423,605,780.46/1,414,787.12
  6. Step 6: Final answer
    x = 773,560.62

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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.