Home / 1,439,320.59-2,158,833.11-479,672.87

Finding the Fourth Proportional to 1,439,320.59, 2,158,833.11 and 479,672.87

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Solution

The fourth proportional to 1,439,320.59, 2,158,833.11 and 479,672.87 is: 719,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,320.59 : 2,158,833.11 = 479,672.87 : x
  2. Step 2: Convert to fraction form
    1,439,320.59/2,158,833.11 = 479,672.87/x
  3. Step 3: Cross multiply
    1,439,320.59x = 2,158,833.11 × 479,672.87
  4. Step 4: Simplify right side
    1,439,320.59x = 1,035,533,660,532.20
  5. Step 5: Solve for x
    x = 1,035,533,660,532.20/1,439,320.59
  6. Step 6: Final answer
    x = 719,460.05

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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.