Home / 1,340,744.22-1,850,262.83-728,938.19

Finding the Fourth Proportional to 1,340,744.22, 1,850,262.83 and 728,938.19

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Solution

The fourth proportional to 1,340,744.22, 1,850,262.83 and 728,938.19 is: 1,005,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,744.22 : 1,850,262.83 = 728,938.19 : x
  2. Step 2: Convert to fraction form
    1,340,744.22/1,850,262.83 = 728,938.19/x
  3. Step 3: Cross multiply
    1,340,744.22x = 1,850,262.83 × 728,938.19
  4. Step 4: Simplify right side
    1,340,744.22x = 1,348,727,229,581.10
  5. Step 5: Solve for x
    x = 1,348,727,229,581.10/1,340,744.22
  6. Step 6: Final answer
    x = 1,005,954.16

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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.