Home / 1,538,414.54-2,123,012.02-859,351.04

Finding the Fourth Proportional to 1,538,414.54, 2,123,012.02 and 859,351.04

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Solution

The fourth proportional to 1,538,414.54, 2,123,012.02 and 859,351.04 is: 1,185,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,414.54 : 2,123,012.02 = 859,351.04 : x
  2. Step 2: Convert to fraction form
    1,538,414.54/2,123,012.02 = 859,351.04/x
  3. Step 3: Cross multiply
    1,538,414.54x = 2,123,012.02 × 859,351.04
  4. Step 4: Simplify right side
    1,538,414.54x = 1,824,412,587,319.50
  5. Step 5: Solve for x
    x = 1,824,412,587,319.50/1,538,414.54
  6. Step 6: Final answer
    x = 1,185,904.41

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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.