Home / 1,660,141.20-2,491,378.20-714,190.80

Finding the Fourth Proportional to 1,660,141.20, 2,491,378.20 and 714,190.80

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Solution

The fourth proportional to 1,660,141.20, 2,491,378.20 and 714,190.80 is: 1,071,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,141.20 : 2,491,378.20 = 714,190.80 : x
  2. Step 2: Convert to fraction form
    1,660,141.20/2,491,378.20 = 714,190.80/x
  3. Step 3: Cross multiply
    1,660,141.20x = 2,491,378.20 × 714,190.80
  4. Step 4: Simplify right side
    1,660,141.20x = 1,779,319,389,760.56
  5. Step 5: Solve for x
    x = 1,779,319,389,760.56/1,660,141.20
  6. Step 6: Final answer
    x = 1,071,787.98

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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.