Home / 1,177,480.80-1,766,998.80-672,040.80

Finding the Fourth Proportional to 1,177,480.80, 1,766,998.80 and 672,040.80

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Solution

The fourth proportional to 1,177,480.80, 1,766,998.80 and 672,040.80 is: 1,008,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,480.80 : 1,766,998.80 = 672,040.80 : x
  2. Step 2: Convert to fraction form
    1,177,480.80/1,766,998.80 = 672,040.80/x
  3. Step 3: Cross multiply
    1,177,480.80x = 1,766,998.80 × 672,040.80
  4. Step 4: Simplify right side
    1,177,480.80x = 1,187,495,287,151.04
  5. Step 5: Solve for x
    x = 1,187,495,287,151.04/1,177,480.80
  6. Step 6: Final answer
    x = 1,008,505.01

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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.