Home / 1,325,851.20-1,829,674.08-722,239.20

Finding the Fourth Proportional to 1,325,851.20, 1,829,674.08 and 722,239.20

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Solution

The fourth proportional to 1,325,851.20, 1,829,674.08 and 722,239.20 is: 996,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,851.20 : 1,829,674.08 = 722,239.20 : x
  2. Step 2: Convert to fraction form
    1,325,851.20/1,829,674.08 = 722,239.20/x
  3. Step 3: Cross multiply
    1,325,851.20x = 1,829,674.08 × 722,239.20
  4. Step 4: Simplify right side
    1,325,851.20x = 1,321,462,343,799.94
  5. Step 5: Solve for x
    x = 1,321,462,343,799.94/1,325,851.20
  6. Step 6: Final answer
    x = 996,689.78

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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.