Home / 1,049,738.40-1,573,532.40-516,439.20

Finding the Fourth Proportional to 1,049,738.40, 1,573,532.40 and 516,439.20

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Solution

The fourth proportional to 1,049,738.40, 1,573,532.40 and 516,439.20 is: 774,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,738.40 : 1,573,532.40 = 516,439.20 : x
  2. Step 2: Convert to fraction form
    1,049,738.40/1,573,532.40 = 516,439.20/x
  3. Step 3: Cross multiply
    1,049,738.40x = 1,573,532.40 × 516,439.20
  4. Step 4: Simplify right side
    1,049,738.40x = 812,633,813,830.08
  5. Step 5: Solve for x
    x = 812,633,813,830.08/1,049,738.40
  6. Step 6: Final answer
    x = 774,129.83

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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.