Home / 1,231,218.88-1,846,933.60-432,430.88

Finding the Fourth Proportional to 1,231,218.88, 1,846,933.60 and 432,430.88

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Solution

The fourth proportional to 1,231,218.88, 1,846,933.60 and 432,430.88 is: 648,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,218.88 : 1,846,933.60 = 432,430.88 : x
  2. Step 2: Convert to fraction form
    1,231,218.88/1,846,933.60 = 432,430.88/x
  3. Step 3: Cross multiply
    1,231,218.88x = 1,846,933.60 × 432,430.88
  4. Step 4: Simplify right side
    1,231,218.88x = 798,671,121,949.57
  5. Step 5: Solve for x
    x = 798,671,121,949.57/1,231,218.88
  6. Step 6: Final answer
    x = 648,683.30

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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.