Home / 1,251,429.12-1,728,397.68-848,321.28

Finding the Fourth Proportional to 1,251,429.12, 1,728,397.68 and 848,321.28

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Solution

The fourth proportional to 1,251,429.12, 1,728,397.68 and 848,321.28 is: 1,171,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,429.12 : 1,728,397.68 = 848,321.28 : x
  2. Step 2: Convert to fraction form
    1,251,429.12/1,728,397.68 = 848,321.28/x
  3. Step 3: Cross multiply
    1,251,429.12x = 1,728,397.68 × 848,321.28
  4. Step 4: Simplify right side
    1,251,429.12x = 1,466,236,532,246.63
  5. Step 5: Solve for x
    x = 1,466,236,532,246.63/1,251,429.12
  6. Step 6: Final answer
    x = 1,171,649.68

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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.