Home / 1,325,937.40-1,988,906.10-485,092.60

Finding the Fourth Proportional to 1,325,937.40, 1,988,906.10 and 485,092.60

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Solution

The fourth proportional to 1,325,937.40, 1,988,906.10 and 485,092.60 is: 727,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,937.40 : 1,988,906.10 = 485,092.60 : x
  2. Step 2: Convert to fraction form
    1,325,937.40/1,988,906.10 = 485,092.60/x
  3. Step 3: Cross multiply
    1,325,937.40x = 1,988,906.10 × 485,092.60
  4. Step 4: Simplify right side
    1,325,937.40x = 964,803,631,204.86
  5. Step 5: Solve for x
    x = 964,803,631,204.86/1,325,937.40
  6. Step 6: Final answer
    x = 727,638.90

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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.