Home / 979,389.60-1,469,084.40-898,519.20

Finding the Fourth Proportional to 979,389.60, 1,469,084.40 and 898,519.20

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Solution

The fourth proportional to 979,389.60, 1,469,084.40 and 898,519.20 is: 1,347,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,389.60 : 1,469,084.40 = 898,519.20 : x
  2. Step 2: Convert to fraction form
    979,389.60/1,469,084.40 = 898,519.20/x
  3. Step 3: Cross multiply
    979,389.60x = 1,469,084.40 × 898,519.20
  4. Step 4: Simplify right side
    979,389.60x = 1,320,000,539,820.48
  5. Step 5: Solve for x
    x = 1,320,000,539,820.48/979,389.60
  6. Step 6: Final answer
    x = 1,347,778.80

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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.