Home / 915,737.60-1,373,606.40-617,139.20

Finding the Fourth Proportional to 915,737.60, 1,373,606.40 and 617,139.20

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Solution

The fourth proportional to 915,737.60, 1,373,606.40 and 617,139.20 is: 925,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,737.60 : 1,373,606.40 = 617,139.20 : x
  2. Step 2: Convert to fraction form
    915,737.60/1,373,606.40 = 617,139.20/x
  3. Step 3: Cross multiply
    915,737.60x = 1,373,606.40 × 617,139.20
  4. Step 4: Simplify right side
    915,737.60x = 847,706,354,810.88
  5. Step 5: Solve for x
    x = 847,706,354,810.88/915,737.60
  6. Step 6: Final answer
    x = 925,708.80

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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.