Home / 815,724.94-1,126,003.56-700,541.05

Finding the Fourth Proportional to 815,724.94, 1,126,003.56 and 700,541.05

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Solution

The fourth proportional to 815,724.94, 1,126,003.56 and 700,541.05 is: 967,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,724.94 : 1,126,003.56 = 700,541.05 : x
  2. Step 2: Convert to fraction form
    815,724.94/1,126,003.56 = 700,541.05/x
  3. Step 3: Cross multiply
    815,724.94x = 1,126,003.56 × 700,541.05
  4. Step 4: Simplify right side
    815,724.94x = 788,811,710,713.57
  5. Step 5: Solve for x
    x = 788,811,710,713.57/815,724.94
  6. Step 6: Final answer
    x = 967,006.98

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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.