Home / 1,199,162.73-1,655,013.35-763,440.89

Finding the Fourth Proportional to 1,199,162.73, 1,655,013.35 and 763,440.89

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Solution

The fourth proportional to 1,199,162.73, 1,655,013.35 and 763,440.89 is: 1,053,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,162.73 : 1,655,013.35 = 763,440.89 : x
  2. Step 2: Convert to fraction form
    1,199,162.73/1,655,013.35 = 763,440.89/x
  3. Step 3: Cross multiply
    1,199,162.73x = 1,655,013.35 × 763,440.89
  4. Step 4: Simplify right side
    1,199,162.73x = 1,263,504,858,519.42
  5. Step 5: Solve for x
    x = 1,263,504,858,519.42/1,199,162.73
  6. Step 6: Final answer
    x = 1,053,655.87

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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.