Home / 1,113,966.28-1,670,981.82-272,517.76

Finding the Fourth Proportional to 1,113,966.28, 1,670,981.82 and 272,517.76

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Solution

The fourth proportional to 1,113,966.28, 1,670,981.82 and 272,517.76 is: 408,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,966.28 : 1,670,981.82 = 272,517.76 : x
  2. Step 2: Convert to fraction form
    1,113,966.28/1,670,981.82 = 272,517.76/x
  3. Step 3: Cross multiply
    1,113,966.28x = 1,670,981.82 × 272,517.76
  4. Step 4: Simplify right side
    1,113,966.28x = 455,372,222,587.12
  5. Step 5: Solve for x
    x = 455,372,222,587.12/1,113,966.28
  6. Step 6: Final answer
    x = 408,784.57

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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.