Home / 1,108,806.30-1,663,209.45-996,613.20

Finding the Fourth Proportional to 1,108,806.30, 1,663,209.45 and 996,613.20

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Solution

The fourth proportional to 1,108,806.30, 1,663,209.45 and 996,613.20 is: 1,494,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,806.30 : 1,663,209.45 = 996,613.20 : x
  2. Step 2: Convert to fraction form
    1,108,806.30/1,663,209.45 = 996,613.20/x
  3. Step 3: Cross multiply
    1,108,806.30x = 1,663,209.45 × 996,613.20
  4. Step 4: Simplify right side
    1,108,806.30x = 1,657,576,492,234.74
  5. Step 5: Solve for x
    x = 1,657,576,492,234.74/1,108,806.30
  6. Step 6: Final answer
    x = 1,494,919.80

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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.