Home / 1,248,947.72-1,723,589.58-765,419.46

Finding the Fourth Proportional to 1,248,947.72, 1,723,589.58 and 765,419.46

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Solution

The fourth proportional to 1,248,947.72, 1,723,589.58 and 765,419.46 is: 1,056,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,947.72 : 1,723,589.58 = 765,419.46 : x
  2. Step 2: Convert to fraction form
    1,248,947.72/1,723,589.58 = 765,419.46/x
  3. Step 3: Cross multiply
    1,248,947.72x = 1,723,589.58 × 765,419.46
  4. Step 4: Simplify right side
    1,248,947.72x = 1,319,269,005,585.23
  5. Step 5: Solve for x
    x = 1,319,269,005,585.23/1,248,947.72
  6. Step 6: Final answer
    x = 1,056,304.43

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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.