Home / 1,108,781.80-1,663,172.70-996,588.70

Finding the Fourth Proportional to 1,108,781.80, 1,663,172.70 and 996,588.70

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Solution

The fourth proportional to 1,108,781.80, 1,663,172.70 and 996,588.70 is: 1,494,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,781.80 : 1,663,172.70 = 996,588.70 : x
  2. Step 2: Convert to fraction form
    1,108,781.80/1,663,172.70 = 996,588.70/x
  3. Step 3: Cross multiply
    1,108,781.80x = 1,663,172.70 × 996,588.70
  4. Step 4: Simplify right side
    1,108,781.80x = 1,657,499,118,968.49
  5. Step 5: Solve for x
    x = 1,657,499,118,968.49/1,108,781.80
  6. Step 6: Final answer
    x = 1,494,883.05

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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.