Home / 987,988.03-1,362,671.22-850,401.13

Finding the Fourth Proportional to 987,988.03, 1,362,671.22 and 850,401.13

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Solution

The fourth proportional to 987,988.03, 1,362,671.22 and 850,401.13 is: 1,172,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,988.03 : 1,362,671.22 = 850,401.13 : x
  2. Step 2: Convert to fraction form
    987,988.03/1,362,671.22 = 850,401.13/x
  3. Step 3: Cross multiply
    987,988.03x = 1,362,671.22 × 850,401.13
  4. Step 4: Simplify right side
    987,988.03x = 1,158,817,145,306.48
  5. Step 5: Solve for x
    x = 1,158,817,145,306.48/987,988.03
  6. Step 6: Final answer
    x = 1,172,906.06

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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.