Home / 1,124,422.97-1,686,634.38-325,704.78

Finding the Fourth Proportional to 1,124,422.97, 1,686,634.38 and 325,704.78

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Solution

The fourth proportional to 1,124,422.97, 1,686,634.38 and 325,704.78 is: 488,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,422.97 : 1,686,634.38 = 325,704.78 : x
  2. Step 2: Convert to fraction form
    1,124,422.97/1,686,634.38 = 325,704.78/x
  3. Step 3: Cross multiply
    1,124,422.97x = 1,686,634.38 × 325,704.78
  4. Step 4: Simplify right side
    1,124,422.97x = 549,344,879,678.34
  5. Step 5: Solve for x
    x = 549,344,879,678.34/1,124,422.97
  6. Step 6: Final answer
    x = 488,557.15

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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.