Home / 1,517,176.20-2,278,388.70-987,047.40

Finding the Fourth Proportional to 1,517,176.20, 2,278,388.70 and 987,047.40

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Solution

The fourth proportional to 1,517,176.20, 2,278,388.70 and 987,047.40 is: 1,482,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,176.20 : 2,278,388.70 = 987,047.40 : x
  2. Step 2: Convert to fraction form
    1,517,176.20/2,278,388.70 = 987,047.40/x
  3. Step 3: Cross multiply
    1,517,176.20x = 2,278,388.70 × 987,047.40
  4. Step 4: Simplify right side
    1,517,176.20x = 2,248,877,642,524.38
  5. Step 5: Solve for x
    x = 2,248,877,642,524.38/1,517,176.20
  6. Step 6: Final answer
    x = 1,482,278.49

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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.