Home / 987,862.88-1,363,313.76-605,837.72

Finding the Fourth Proportional to 987,862.88, 1,363,313.76 and 605,837.72

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Solution

The fourth proportional to 987,862.88, 1,363,313.76 and 605,837.72 is: 836,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,862.88 : 1,363,313.76 = 605,837.72 : x
  2. Step 2: Convert to fraction form
    987,862.88/1,363,313.76 = 605,837.72/x
  3. Step 3: Cross multiply
    987,862.88x = 1,363,313.76 × 605,837.72
  4. Step 4: Simplify right side
    987,862.88x = 825,946,900,003.03
  5. Step 5: Solve for x
    x = 825,946,900,003.03/987,862.88
  6. Step 6: Final answer
    x = 836,094.68

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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.