Home / 1,028,136.56-1,542,573.80-459,470.04

Finding the Fourth Proportional to 1,028,136.56, 1,542,573.80 and 459,470.04

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Solution

The fourth proportional to 1,028,136.56, 1,542,573.80 and 459,470.04 is: 689,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,136.56 : 1,542,573.80 = 459,470.04 : x
  2. Step 2: Convert to fraction form
    1,028,136.56/1,542,573.80 = 459,470.04/x
  3. Step 3: Cross multiply
    1,028,136.56x = 1,542,573.80 × 459,470.04
  4. Step 4: Simplify right side
    1,028,136.56x = 708,766,445,588.95
  5. Step 5: Solve for x
    x = 708,766,445,588.95/1,028,136.56
  6. Step 6: Final answer
    x = 689,369.95

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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.