Home / 1,002,512.40-1,503,768.60-577,359.60

Finding the Fourth Proportional to 1,002,512.40, 1,503,768.60 and 577,359.60

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Solution

The fourth proportional to 1,002,512.40, 1,503,768.60 and 577,359.60 is: 866,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,512.40 : 1,503,768.60 = 577,359.60 : x
  2. Step 2: Convert to fraction form
    1,002,512.40/1,503,768.60 = 577,359.60/x
  3. Step 3: Cross multiply
    1,002,512.40x = 1,503,768.60 × 577,359.60
  4. Step 4: Simplify right side
    1,002,512.40x = 868,215,237,388.56
  5. Step 5: Solve for x
    x = 868,215,237,388.56/1,002,512.40
  6. Step 6: Final answer
    x = 866,039.40

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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.