Home / 1,008,648.60-1,511,223.30-653,479.80

Finding the Fourth Proportional to 1,008,648.60, 1,511,223.30 and 653,479.80

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Solution

The fourth proportional to 1,008,648.60, 1,511,223.30 and 653,479.80 is: 979,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,648.60 : 1,511,223.30 = 653,479.80 : x
  2. Step 2: Convert to fraction form
    1,008,648.60/1,511,223.30 = 653,479.80/x
  3. Step 3: Cross multiply
    1,008,648.60x = 1,511,223.30 × 653,479.80
  4. Step 4: Simplify right side
    1,008,648.60x = 987,553,899,839.34
  5. Step 5: Solve for x
    x = 987,553,899,839.34/1,008,648.60
  6. Step 6: Final answer
    x = 979,086.18

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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.