Home / 1,342,123.28-1,852,074.24-730,278.44

Finding the Fourth Proportional to 1,342,123.28, 1,852,074.24 and 730,278.44

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Solution

The fourth proportional to 1,342,123.28, 1,852,074.24 and 730,278.44 is: 1,007,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,123.28 : 1,852,074.24 = 730,278.44 : x
  2. Step 2: Convert to fraction form
    1,342,123.28/1,852,074.24 = 730,278.44/x
  3. Step 3: Cross multiply
    1,342,123.28x = 1,852,074.24 × 730,278.44
  4. Step 4: Simplify right side
    1,342,123.28x = 1,352,529,886,751.39
  5. Step 5: Solve for x
    x = 1,352,529,886,751.39/1,342,123.28
  6. Step 6: Final answer
    x = 1,007,753.84

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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.