Home / 1,278,154.60-1,917,231.90-880,023.40

Finding the Fourth Proportional to 1,278,154.60, 1,917,231.90 and 880,023.40

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Solution

The fourth proportional to 1,278,154.60, 1,917,231.90 and 880,023.40 is: 1,320,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,154.60 : 1,917,231.90 = 880,023.40 : x
  2. Step 2: Convert to fraction form
    1,278,154.60/1,917,231.90 = 880,023.40/x
  3. Step 3: Cross multiply
    1,278,154.60x = 1,917,231.90 × 880,023.40
  4. Step 4: Simplify right side
    1,278,154.60x = 1,687,208,935,226.46
  5. Step 5: Solve for x
    x = 1,687,208,935,226.46/1,278,154.60
  6. Step 6: Final answer
    x = 1,320,035.10

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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.