Home / 1,062,087.20-1,592,909.40-388,485.80

Finding the Fourth Proportional to 1,062,087.20, 1,592,909.40 and 388,485.80

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Solution

The fourth proportional to 1,062,087.20, 1,592,909.40 and 388,485.80 is: 582,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,087.20 : 1,592,909.40 = 388,485.80 : x
  2. Step 2: Convert to fraction form
    1,062,087.20/1,592,909.40 = 388,485.80/x
  3. Step 3: Cross multiply
    1,062,087.20x = 1,592,909.40 × 388,485.80
  4. Step 4: Simplify right side
    1,062,087.20x = 618,822,682,586.52
  5. Step 5: Solve for x
    x = 618,822,682,586.52/1,062,087.20
  6. Step 6: Final answer
    x = 582,647.72

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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.