Home / 1,181,045.34-1,629,002.88-788,380.56

Finding the Fourth Proportional to 1,181,045.34, 1,629,002.88 and 788,380.56

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Solution

The fourth proportional to 1,181,045.34, 1,629,002.88 and 788,380.56 is: 1,087,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,045.34 : 1,629,002.88 = 788,380.56 : x
  2. Step 2: Convert to fraction form
    1,181,045.34/1,629,002.88 = 788,380.56/x
  3. Step 3: Cross multiply
    1,181,045.34x = 1,629,002.88 × 788,380.56
  4. Step 4: Simplify right side
    1,181,045.34x = 1,284,274,202,776.01
  5. Step 5: Solve for x
    x = 1,284,274,202,776.01/1,181,045.34
  6. Step 6: Final answer
    x = 1,087,404.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.