Home / 1,119,862.71-1,679,800.21-278,414.46

Finding the Fourth Proportional to 1,119,862.71, 1,679,800.21 and 278,414.46

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Solution

The fourth proportional to 1,119,862.71, 1,679,800.21 and 278,414.46 is: 417,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,862.71 : 1,679,800.21 = 278,414.46 : x
  2. Step 2: Convert to fraction form
    1,119,862.71/1,679,800.21 = 278,414.46/x
  3. Step 3: Cross multiply
    1,119,862.71x = 1,679,800.21 × 278,414.46
  4. Step 4: Simplify right side
    1,119,862.71x = 467,680,659,280.00
  5. Step 5: Solve for x
    x = 467,680,659,280.00/1,119,862.71
  6. Step 6: Final answer
    x = 417,623.21

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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.