Home / 987,003.71-1,362,074.50-579,112.48

Finding the Fourth Proportional to 987,003.71, 1,362,074.50 and 579,112.48

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Solution

The fourth proportional to 987,003.71, 1,362,074.50 and 579,112.48 is: 799,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,003.71 : 1,362,074.50 = 579,112.48 : x
  2. Step 2: Convert to fraction form
    987,003.71/1,362,074.50 = 579,112.48/x
  3. Step 3: Cross multiply
    987,003.71x = 1,362,074.50 × 579,112.48
  4. Step 4: Simplify right side
    987,003.71x = 788,794,341,639.76
  5. Step 5: Solve for x
    x = 788,794,341,639.76/987,003.71
  6. Step 6: Final answer
    x = 799,180.73

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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.