Home / 1,268,931.42-1,749,188.12-777,992.04

Finding the Fourth Proportional to 1,268,931.42, 1,749,188.12 and 777,992.04

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Solution

The fourth proportional to 1,268,931.42, 1,749,188.12 and 777,992.04 is: 1,072,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,931.42 : 1,749,188.12 = 777,992.04 : x
  2. Step 2: Convert to fraction form
    1,268,931.42/1,749,188.12 = 777,992.04/x
  3. Step 3: Cross multiply
    1,268,931.42x = 1,749,188.12 × 777,992.04
  4. Step 4: Simplify right side
    1,268,931.42x = 1,360,854,433,822.57
  5. Step 5: Solve for x
    x = 1,360,854,433,822.57/1,268,931.42
  6. Step 6: Final answer
    x = 1,072,441.28

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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.