Home / 1,108,816.80-1,663,225.20-996,623.70

Finding the Fourth Proportional to 1,108,816.80, 1,663,225.20 and 996,623.70

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Solution

The fourth proportional to 1,108,816.80, 1,663,225.20 and 996,623.70 is: 1,494,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,816.80 : 1,663,225.20 = 996,623.70 : x
  2. Step 2: Convert to fraction form
    1,108,816.80/1,663,225.20 = 996,623.70/x
  3. Step 3: Cross multiply
    1,108,816.80x = 1,663,225.20 × 996,623.70
  4. Step 4: Simplify right side
    1,108,816.80x = 1,657,609,652,757.24
  5. Step 5: Solve for x
    x = 1,657,609,652,757.24/1,108,816.80
  6. Step 6: Final answer
    x = 1,494,935.55

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Double scale
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Similar ratio
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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.