Home / 1,518,959.60-2,278,439.40-620,102.60

Finding the Fourth Proportional to 1,518,959.60, 2,278,439.40 and 620,102.60

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Solution

The fourth proportional to 1,518,959.60, 2,278,439.40 and 620,102.60 is: 930,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,959.60 : 2,278,439.40 = 620,102.60 : x
  2. Step 2: Convert to fraction form
    1,518,959.60/2,278,439.40 = 620,102.60/x
  3. Step 3: Cross multiply
    1,518,959.60x = 2,278,439.40 × 620,102.60
  4. Step 4: Simplify right side
    1,518,959.60x = 1,412,866,195,882.44
  5. Step 5: Solve for x
    x = 1,412,866,195,882.44/1,518,959.60
  6. Step 6: Final answer
    x = 930,153.90

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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.