Home / 1,124,540.20-1,686,897.78-325,833.22

Finding the Fourth Proportional to 1,124,540.20, 1,686,897.78 and 325,833.22

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Solution

The fourth proportional to 1,124,540.20, 1,686,897.78 and 325,833.22 is: 488,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,540.20 : 1,686,897.78 = 325,833.22 : x
  2. Step 2: Convert to fraction form
    1,124,540.20/1,686,897.78 = 325,833.22/x
  3. Step 3: Cross multiply
    1,124,540.20x = 1,686,897.78 × 325,833.22
  4. Step 4: Simplify right side
    1,124,540.20x = 549,647,335,468.25
  5. Step 5: Solve for x
    x = 549,647,335,468.25/1,124,540.20
  6. Step 6: Final answer
    x = 488,775.18

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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.