Home / 1,191,643.65-1,644,067.98-675,357.03

Finding the Fourth Proportional to 1,191,643.65, 1,644,067.98 and 675,357.03

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Solution

The fourth proportional to 1,191,643.65, 1,644,067.98 and 675,357.03 is: 931,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,643.65 : 1,644,067.98 = 675,357.03 : x
  2. Step 2: Convert to fraction form
    1,191,643.65/1,644,067.98 = 675,357.03/x
  3. Step 3: Cross multiply
    1,191,643.65x = 1,644,067.98 × 675,357.03
  4. Step 4: Simplify right side
    1,191,643.65x = 1,110,332,868,090.90
  5. Step 5: Solve for x
    x = 1,110,332,868,090.90/1,191,643.65
  6. Step 6: Final answer
    x = 931,765.86

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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.