Home / 1,240,961.43-1,861,220.40-330,148.83

Finding the Fourth Proportional to 1,240,961.43, 1,861,220.40 and 330,148.83

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Solution

The fourth proportional to 1,240,961.43, 1,861,220.40 and 330,148.83 is: 495,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,961.43 : 1,861,220.40 = 330,148.83 : x
  2. Step 2: Convert to fraction form
    1,240,961.43/1,861,220.40 = 330,148.83/x
  3. Step 3: Cross multiply
    1,240,961.43x = 1,861,220.40 × 330,148.83
  4. Step 4: Simplify right side
    1,240,961.43x = 614,479,737,432.13
  5. Step 5: Solve for x
    x = 614,479,737,432.13/1,240,961.43
  6. Step 6: Final answer
    x = 495,164.25

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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.