Home / 987,867.63-1,363,320.32-605,842.47

Finding the Fourth Proportional to 987,867.63, 1,363,320.32 and 605,842.47

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Solution

The fourth proportional to 987,867.63, 1,363,320.32 and 605,842.47 is: 836,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,867.63 : 1,363,320.32 = 605,842.47 : x
  2. Step 2: Convert to fraction form
    987,867.63/1,363,320.32 = 605,842.47/x
  3. Step 3: Cross multiply
    987,867.63x = 1,363,320.32 × 605,842.47
  4. Step 4: Simplify right side
    987,867.63x = 825,957,347,040.78
  5. Step 5: Solve for x
    x = 825,957,347,040.78/987,867.63
  6. Step 6: Final answer
    x = 836,101.24

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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.