Home / 1,120,141.20-1,680,211.80-587,456.40

Finding the Fourth Proportional to 1,120,141.20, 1,680,211.80 and 587,456.40

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Solution

The fourth proportional to 1,120,141.20, 1,680,211.80 and 587,456.40 is: 881,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,141.20 : 1,680,211.80 = 587,456.40 : x
  2. Step 2: Convert to fraction form
    1,120,141.20/1,680,211.80 = 587,456.40/x
  3. Step 3: Cross multiply
    1,120,141.20x = 1,680,211.80 × 587,456.40
  4. Step 4: Simplify right side
    1,120,141.20x = 987,051,175,265.52
  5. Step 5: Solve for x
    x = 987,051,175,265.52/1,120,141.20
  6. Step 6: Final answer
    x = 881,184.60

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1.5x scale

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.