Home / 1,488,212.64-2,232,268.92-646,764.48

Finding the Fourth Proportional to 1,488,212.64, 2,232,268.92 and 646,764.48

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Solution

The fourth proportional to 1,488,212.64, 2,232,268.92 and 646,764.48 is: 970,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,212.64 : 2,232,268.92 = 646,764.48 : x
  2. Step 2: Convert to fraction form
    1,488,212.64/2,232,268.92 = 646,764.48/x
  3. Step 3: Cross multiply
    1,488,212.64x = 2,232,268.92 × 646,764.48
  4. Step 4: Simplify right side
    1,488,212.64x = 1,443,752,247,263.96
  5. Step 5: Solve for x
    x = 1,443,752,247,263.96/1,488,212.64
  6. Step 6: Final answer
    x = 970,124.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.