Home / 1,577,401.20-2,366,101.80-1,129,503.60

Finding the Fourth Proportional to 1,577,401.20, 2,366,101.80 and 1,129,503.60

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Solution

The fourth proportional to 1,577,401.20, 2,366,101.80 and 1,129,503.60 is: 1,694,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,401.20 : 2,366,101.80 = 1,129,503.60 : x
  2. Step 2: Convert to fraction form
    1,577,401.20/2,366,101.80 = 1,129,503.60/x
  3. Step 3: Cross multiply
    1,577,401.20x = 2,366,101.80 × 1,129,503.60
  4. Step 4: Simplify right side
    1,577,401.20x = 2,672,520,501,066.48
  5. Step 5: Solve for x
    x = 2,672,520,501,066.48/1,577,401.20
  6. Step 6: Final answer
    x = 1,694,255.40

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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.