Home / 1,443,852.74-1,992,517.38-790,521.12

Finding the Fourth Proportional to 1,443,852.74, 1,992,517.38 and 790,521.12

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Solution

The fourth proportional to 1,443,852.74, 1,992,517.38 and 790,521.12 is: 1,090,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,852.74 : 1,992,517.38 = 790,521.12 : x
  2. Step 2: Convert to fraction form
    1,443,852.74/1,992,517.38 = 790,521.12/x
  3. Step 3: Cross multiply
    1,443,852.74x = 1,992,517.38 × 790,521.12
  4. Step 4: Simplify right side
    1,443,852.74x = 1,575,127,070,857.07
  5. Step 5: Solve for x
    x = 1,575,127,070,857.07/1,443,852.74
  6. Step 6: Final answer
    x = 1,090,919.47

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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.