Home / 1,257,428.52-1,734,315.54-798,144.12

Finding the Fourth Proportional to 1,257,428.52, 1,734,315.54 and 798,144.12

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Solution

The fourth proportional to 1,257,428.52, 1,734,315.54 and 798,144.12 is: 1,100,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,428.52 : 1,734,315.54 = 798,144.12 : x
  2. Step 2: Convert to fraction form
    1,257,428.52/1,734,315.54 = 798,144.12/x
  3. Step 3: Cross multiply
    1,257,428.52x = 1,734,315.54 × 798,144.12
  4. Step 4: Simplify right side
    1,257,428.52x = 1,384,233,750,475.62
  5. Step 5: Solve for x
    x = 1,384,233,750,475.62/1,257,428.52
  6. Step 6: Final answer
    x = 1,100,844.88

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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.