Home / 1,352,334.78-1,866,347.19-748,722.78

Finding the Fourth Proportional to 1,352,334.78, 1,866,347.19 and 748,722.78

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Solution

The fourth proportional to 1,352,334.78, 1,866,347.19 and 748,722.78 is: 1,033,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,334.78 : 1,866,347.19 = 748,722.78 : x
  2. Step 2: Convert to fraction form
    1,352,334.78/1,866,347.19 = 748,722.78/x
  3. Step 3: Cross multiply
    1,352,334.78x = 1,866,347.19 × 748,722.78
  4. Step 4: Simplify right side
    1,352,334.78x = 1,397,376,656,541.99
  5. Step 5: Solve for x
    x = 1,397,376,656,541.99/1,352,334.78
  6. Step 6: Final answer
    x = 1,033,306.75

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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.