Home / 1,148,406.12-1,722,609.72-516,581.76

Finding the Fourth Proportional to 1,148,406.12, 1,722,609.72 and 516,581.76

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Solution

The fourth proportional to 1,148,406.12, 1,722,609.72 and 516,581.76 is: 774,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,406.12 : 1,722,609.72 = 516,581.76 : x
  2. Step 2: Convert to fraction form
    1,148,406.12/1,722,609.72 = 516,581.76/x
  3. Step 3: Cross multiply
    1,148,406.12x = 1,722,609.72 × 516,581.76
  4. Step 4: Simplify right side
    1,148,406.12x = 889,868,760,950.71
  5. Step 5: Solve for x
    x = 889,868,760,950.71/1,148,406.12
  6. Step 6: Final answer
    x = 774,872.88

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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.