Home / 1,120,503.88-1,680,770.40-372,549.88

Finding the Fourth Proportional to 1,120,503.88, 1,680,770.40 and 372,549.88

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Solution

The fourth proportional to 1,120,503.88, 1,680,770.40 and 372,549.88 is: 558,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,503.88 : 1,680,770.40 = 372,549.88 : x
  2. Step 2: Convert to fraction form
    1,120,503.88/1,680,770.40 = 372,549.88/x
  3. Step 3: Cross multiply
    1,120,503.88x = 1,680,770.40 × 372,549.88
  4. Step 4: Simplify right side
    1,120,503.88x = 626,170,800,560.95
  5. Step 5: Solve for x
    x = 626,170,800,560.95/1,120,503.88
  6. Step 6: Final answer
    x = 558,829.66

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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.