Home / 1,399,851.64-2,100,111.92-453,223.36

Finding the Fourth Proportional to 1,399,851.64, 2,100,111.92 and 453,223.36

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Solution

The fourth proportional to 1,399,851.64, 2,100,111.92 and 453,223.36 is: 679,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,851.64 : 2,100,111.92 = 453,223.36 : x
  2. Step 2: Convert to fraction form
    1,399,851.64/2,100,111.92 = 453,223.36/x
  3. Step 3: Cross multiply
    1,399,851.64x = 2,100,111.92 × 453,223.36
  4. Step 4: Simplify right side
    1,399,851.64x = 951,819,780,758.45
  5. Step 5: Solve for x
    x = 951,819,780,758.45/1,399,851.64
  6. Step 6: Final answer
    x = 679,943.33

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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.