Home / 1,087,519.20-1,631,278.80-914,308.80

Finding the Fourth Proportional to 1,087,519.20, 1,631,278.80 and 914,308.80

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Solution

The fourth proportional to 1,087,519.20, 1,631,278.80 and 914,308.80 is: 1,371,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,519.20 : 1,631,278.80 = 914,308.80 : x
  2. Step 2: Convert to fraction form
    1,087,519.20/1,631,278.80 = 914,308.80/x
  3. Step 3: Cross multiply
    1,087,519.20x = 1,631,278.80 × 914,308.80
  4. Step 4: Simplify right side
    1,087,519.20x = 1,491,492,562,093.44
  5. Step 5: Solve for x
    x = 1,491,492,562,093.44/1,087,519.20
  6. Step 6: Final answer
    x = 1,371,463.20

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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.