Home / 1,332,557.12-1,839,045.87-788,418.56

Finding the Fourth Proportional to 1,332,557.12, 1,839,045.87 and 788,418.56

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Solution

The fourth proportional to 1,332,557.12, 1,839,045.87 and 788,418.56 is: 1,088,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,557.12 : 1,839,045.87 = 788,418.56 : x
  2. Step 2: Convert to fraction form
    1,332,557.12/1,839,045.87 = 788,418.56/x
  3. Step 3: Cross multiply
    1,332,557.12x = 1,839,045.87 × 788,418.56
  4. Step 4: Simplify right side
    1,332,557.12x = 1,449,937,887,404.12
  5. Step 5: Solve for x
    x = 1,449,937,887,404.12/1,332,557.12
  6. Step 6: Final answer
    x = 1,088,086.86

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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.