Home / 991,277.10-1,486,915.65-940,101.30

Finding the Fourth Proportional to 991,277.10, 1,486,915.65 and 940,101.30

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Solution

The fourth proportional to 991,277.10, 1,486,915.65 and 940,101.30 is: 1,410,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,277.10 : 1,486,915.65 = 940,101.30 : x
  2. Step 2: Convert to fraction form
    991,277.10/1,486,915.65 = 940,101.30/x
  3. Step 3: Cross multiply
    991,277.10x = 1,486,915.65 × 940,101.30
  4. Step 4: Simplify right side
    991,277.10x = 1,397,851,335,555.35
  5. Step 5: Solve for x
    x = 1,397,851,335,555.35/991,277.10
  6. Step 6: Final answer
    x = 1,410,151.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.