Home / 1,729,407.40-2,387,285.64-1,117,610.54

Finding the Fourth Proportional to 1,729,407.40, 2,387,285.64 and 1,117,610.54

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Solution

The fourth proportional to 1,729,407.40, 2,387,285.64 and 1,117,610.54 is: 1,542,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,407.40 : 2,387,285.64 = 1,117,610.54 : x
  2. Step 2: Convert to fraction form
    1,729,407.40/2,387,285.64 = 1,117,610.54/x
  3. Step 3: Cross multiply
    1,729,407.40x = 2,387,285.64 × 1,117,610.54
  4. Step 4: Simplify right side
    1,729,407.40x = 2,668,055,593,254.65
  5. Step 5: Solve for x
    x = 2,668,055,593,254.65/1,729,407.40
  6. Step 6: Final answer
    x = 1,542,757.13

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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.