Home / 1,120,507.92-1,680,864.48-446,425.92

Finding the Fourth Proportional to 1,120,507.92, 1,680,864.48 and 446,425.92

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Solution

The fourth proportional to 1,120,507.92, 1,680,864.48 and 446,425.92 is: 669,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,507.92 : 1,680,864.48 = 446,425.92 : x
  2. Step 2: Convert to fraction form
    1,120,507.92/1,680,864.48 = 446,425.92/x
  3. Step 3: Cross multiply
    1,120,507.92x = 1,680,864.48 × 446,425.92
  4. Step 4: Simplify right side
    1,120,507.92x = 750,381,471,879.32
  5. Step 5: Solve for x
    x = 750,381,471,879.32/1,120,507.92
  6. Step 6: Final answer
    x = 669,679.76

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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.