Home / 1,187,773.20-1,779,240.60-737,110.80

Finding the Fourth Proportional to 1,187,773.20, 1,779,240.60 and 737,110.80

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Solution

The fourth proportional to 1,187,773.20, 1,779,240.60 and 737,110.80 is: 1,104,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,773.20 : 1,779,240.60 = 737,110.80 : x
  2. Step 2: Convert to fraction form
    1,187,773.20/1,779,240.60 = 737,110.80/x
  3. Step 3: Cross multiply
    1,187,773.20x = 1,779,240.60 × 737,110.80
  4. Step 4: Simplify right side
    1,187,773.20x = 1,311,497,462,058.48
  5. Step 5: Solve for x
    x = 1,311,497,462,058.48/1,187,773.20
  6. Step 6: Final answer
    x = 1,104,164.89

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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.