Home / 815,727.72-1,126,007.40-700,543.83

Finding the Fourth Proportional to 815,727.72, 1,126,007.40 and 700,543.83

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Solution

The fourth proportional to 815,727.72, 1,126,007.40 and 700,543.83 is: 967,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,727.72 : 1,126,007.40 = 700,543.83 : x
  2. Step 2: Convert to fraction form
    815,727.72/1,126,007.40 = 700,543.83/x
  3. Step 3: Cross multiply
    815,727.72x = 1,126,007.40 × 700,543.83
  4. Step 4: Simplify right side
    815,727.72x = 788,817,536,604.34
  5. Step 5: Solve for x
    x = 788,817,536,604.34/815,727.72
  6. Step 6: Final answer
    x = 967,010.83

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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.