Home / 987,001.92-1,362,072.03-579,110.70

Finding the Fourth Proportional to 987,001.92, 1,362,072.03 and 579,110.70

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Solution

The fourth proportional to 987,001.92, 1,362,072.03 and 579,110.70 is: 799,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,001.92 : 1,362,072.03 = 579,110.70 : x
  2. Step 2: Convert to fraction form
    987,001.92/1,362,072.03 = 579,110.70/x
  3. Step 3: Cross multiply
    987,001.92x = 1,362,072.03 × 579,110.70
  4. Step 4: Simplify right side
    987,001.92x = 788,790,486,743.72
  5. Step 5: Solve for x
    x = 788,790,486,743.72/987,001.92
  6. Step 6: Final answer
    x = 799,178.27

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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.