Home / 988,645.50-1,363,011.30-785,371.14

Finding the Fourth Proportional to 988,645.50, 1,363,011.30 and 785,371.14

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Solution

The fourth proportional to 988,645.50, 1,363,011.30 and 785,371.14 is: 1,082,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,645.50 : 1,363,011.30 = 785,371.14 : x
  2. Step 2: Convert to fraction form
    988,645.50/1,363,011.30 = 785,371.14/x
  3. Step 3: Cross multiply
    988,645.50x = 1,363,011.30 × 785,371.14
  4. Step 4: Simplify right side
    988,645.50x = 1,070,469,738,513.88
  5. Step 5: Solve for x
    x = 1,070,469,738,513.88/988,645.50
  6. Step 6: Final answer
    x = 1,082,763.98

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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.