Home / 1,098,217-1,515,565.06-614,769.96

Finding the Fourth Proportional to 1,098,217, 1,515,565.06 and 614,769.96

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Solution

The fourth proportional to 1,098,217, 1,515,565.06 and 614,769.96 is: 848,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,217 : 1,515,565.06 = 614,769.96 : x
  2. Step 2: Convert to fraction form
    1,098,217/1,515,565.06 = 614,769.96/x
  3. Step 3: Cross multiply
    1,098,217x = 1,515,565.06 × 614,769.96
  4. Step 4: Simplify right side
    1,098,217x = 931,723,871,313.60
  5. Step 5: Solve for x
    x = 931,723,871,313.60/1,098,217
  6. Step 6: Final answer
    x = 848,396.88

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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.