Home / 1,196,306.27-1,649,969.22-766,626.38

Finding the Fourth Proportional to 1,196,306.27, 1,649,969.22 and 766,626.38

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Solution

The fourth proportional to 1,196,306.27, 1,649,969.22 and 766,626.38 is: 1,057,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,306.27 : 1,649,969.22 = 766,626.38 : x
  2. Step 2: Convert to fraction form
    1,196,306.27/1,649,969.22 = 766,626.38/x
  3. Step 3: Cross multiply
    1,196,306.27x = 1,649,969.22 × 766,626.38
  4. Step 4: Simplify right side
    1,196,306.27x = 1,264,909,930,240.02
  5. Step 5: Solve for x
    x = 1,264,909,930,240.02/1,196,306.27
  6. Step 6: Final answer
    x = 1,057,346.23

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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.