Home / 1,324,257.40-1,827,348.72-743,347.44

Finding the Fourth Proportional to 1,324,257.40, 1,827,348.72 and 743,347.44

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Solution

The fourth proportional to 1,324,257.40, 1,827,348.72 and 743,347.44 is: 1,025,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,257.40 : 1,827,348.72 = 743,347.44 : x
  2. Step 2: Convert to fraction form
    1,324,257.40/1,827,348.72 = 743,347.44/x
  3. Step 3: Cross multiply
    1,324,257.40x = 1,827,348.72 × 743,347.44
  4. Step 4: Simplify right side
    1,324,257.40x = 1,358,354,992,999.28
  5. Step 5: Solve for x
    x = 1,358,354,992,999.28/1,324,257.40
  6. Step 6: Final answer
    x = 1,025,748.46

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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.