Home / 1,108,808.80-1,663,213.20-730,895.20

Finding the Fourth Proportional to 1,108,808.80, 1,663,213.20 and 730,895.20

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Solution

The fourth proportional to 1,108,808.80, 1,663,213.20 and 730,895.20 is: 1,096,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,808.80 : 1,663,213.20 = 730,895.20 : x
  2. Step 2: Convert to fraction form
    1,108,808.80/1,663,213.20 = 730,895.20/x
  3. Step 3: Cross multiply
    1,108,808.80x = 1,663,213.20 × 730,895.20
  4. Step 4: Simplify right side
    1,108,808.80x = 1,215,634,544,456.64
  5. Step 5: Solve for x
    x = 1,215,634,544,456.64/1,108,808.80
  6. Step 6: Final answer
    x = 1,096,342.80

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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.