Home / 1,125,334.62-1,691,659.71-903,129.93

Finding the Fourth Proportional to 1,125,334.62, 1,691,659.71 and 903,129.93

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Solution

The fourth proportional to 1,125,334.62, 1,691,659.71 and 903,129.93 is: 1,357,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,334.62 : 1,691,659.71 = 903,129.93 : x
  2. Step 2: Convert to fraction form
    1,125,334.62/1,691,659.71 = 903,129.93/x
  3. Step 3: Cross multiply
    1,125,334.62x = 1,691,659.71 × 903,129.93
  4. Step 4: Simplify right side
    1,125,334.62x = 1,527,788,515,476.12
  5. Step 5: Solve for x
    x = 1,527,788,515,476.12/1,125,334.62
  6. Step 6: Final answer
    x = 1,357,630.42

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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.