Home / 1,255,708.38-1,732,865.34-682,748.55

Finding the Fourth Proportional to 1,255,708.38, 1,732,865.34 and 682,748.55

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Solution

The fourth proportional to 1,255,708.38, 1,732,865.34 and 682,748.55 is: 942,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,708.38 : 1,732,865.34 = 682,748.55 : x
  2. Step 2: Convert to fraction form
    1,255,708.38/1,732,865.34 = 682,748.55/x
  3. Step 3: Cross multiply
    1,255,708.38x = 1,732,865.34 × 682,748.55
  4. Step 4: Simplify right side
    1,255,708.38x = 1,183,111,298,230.26
  5. Step 5: Solve for x
    x = 1,183,111,298,230.26/1,255,708.38
  6. Step 6: Final answer
    x = 942,186.35

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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.