Home / 1,805,521-2,491,618.98-1,000,705

Finding the Fourth Proportional to 1,805,521, 2,491,618.98 and 1,000,705

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Solution

The fourth proportional to 1,805,521, 2,491,618.98 and 1,000,705 is: 1,380,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,521 : 2,491,618.98 = 1,000,705 : x
  2. Step 2: Convert to fraction form
    1,805,521/2,491,618.98 = 1,000,705/x
  3. Step 3: Cross multiply
    1,805,521x = 2,491,618.98 × 1,000,705
  4. Step 4: Simplify right side
    1,805,521x = 2,493,375,571,380.90
  5. Step 5: Solve for x
    x = 2,493,375,571,380.90/1,805,521
  6. Step 6: Final answer
    x = 1,380,972.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.