Home / 1,252,825.68-1,728,903.98-679,865.72

Finding the Fourth Proportional to 1,252,825.68, 1,728,903.98 and 679,865.72

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Solution

The fourth proportional to 1,252,825.68, 1,728,903.98 and 679,865.72 is: 938,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,825.68 : 1,728,903.98 = 679,865.72 : x
  2. Step 2: Convert to fraction form
    1,252,825.68/1,728,903.98 = 679,865.72/x
  3. Step 3: Cross multiply
    1,252,825.68x = 1,728,903.98 × 679,865.72
  4. Step 4: Simplify right side
    1,252,825.68x = 1,175,422,549,173.57
  5. Step 5: Solve for x
    x = 1,175,422,549,173.57/1,252,825.68
  6. Step 6: Final answer
    x = 938,217.16

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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.