Home / 1,278,443.23-1,764,553.61-734,894.35

Finding the Fourth Proportional to 1,278,443.23, 1,764,553.61 and 734,894.35

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Solution

The fourth proportional to 1,278,443.23, 1,764,553.61 and 734,894.35 is: 1,014,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,443.23 : 1,764,553.61 = 734,894.35 : x
  2. Step 2: Convert to fraction form
    1,278,443.23/1,764,553.61 = 734,894.35/x
  3. Step 3: Cross multiply
    1,278,443.23x = 1,764,553.61 × 734,894.35
  4. Step 4: Simplify right side
    1,278,443.23x = 1,296,760,478,261.10
  5. Step 5: Solve for x
    x = 1,296,760,478,261.10/1,278,443.23
  6. Step 6: Final answer
    x = 1,014,327.78

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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.