Home / 1,232,221.92-1,700,458.07-688,352.88

Finding the Fourth Proportional to 1,232,221.92, 1,700,458.07 and 688,352.88

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Solution

The fourth proportional to 1,232,221.92, 1,700,458.07 and 688,352.88 is: 949,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,221.92 : 1,700,458.07 = 688,352.88 : x
  2. Step 2: Convert to fraction form
    1,232,221.92/1,700,458.07 = 688,352.88/x
  3. Step 3: Cross multiply
    1,232,221.92x = 1,700,458.07 × 688,352.88
  4. Step 4: Simplify right side
    1,232,221.92x = 1,170,515,206,361.98
  5. Step 5: Solve for x
    x = 1,170,515,206,361.98/1,232,221.92
  6. Step 6: Final answer
    x = 949,922.40

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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.