Home / 1,419,868.80-2,129,025.60-577,468.80

Finding the Fourth Proportional to 1,419,868.80, 2,129,025.60 and 577,468.80

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Solution

The fourth proportional to 1,419,868.80, 2,129,025.60 and 577,468.80 is: 865,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,868.80 : 2,129,025.60 = 577,468.80 : x
  2. Step 2: Convert to fraction form
    1,419,868.80/2,129,025.60 = 577,468.80/x
  3. Step 3: Cross multiply
    1,419,868.80x = 2,129,025.60 × 577,468.80
  4. Step 4: Simplify right side
    1,419,868.80x = 1,229,445,858,401.28
  5. Step 5: Solve for x
    x = 1,229,445,858,401.28/1,419,868.80
  6. Step 6: Final answer
    x = 865,886.95

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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.