Home / 1,202,044.40-1,658,865.96-685,882.33

Finding the Fourth Proportional to 1,202,044.40, 1,658,865.96 and 685,882.33

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Solution

The fourth proportional to 1,202,044.40, 1,658,865.96 and 685,882.33 is: 946,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,044.40 : 1,658,865.96 = 685,882.33 : x
  2. Step 2: Convert to fraction form
    1,202,044.40/1,658,865.96 = 685,882.33/x
  3. Step 3: Cross multiply
    1,202,044.40x = 1,658,865.96 × 685,882.33
  4. Step 4: Simplify right side
    1,202,044.40x = 1,137,786,845,655.32
  5. Step 5: Solve for x
    x = 1,137,786,845,655.32/1,202,044.40
  6. Step 6: Final answer
    x = 946,543.11

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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.