Home / 1,248,934.58-1,723,571.46-765,406.29

Finding the Fourth Proportional to 1,248,934.58, 1,723,571.46 and 765,406.29

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Solution

The fourth proportional to 1,248,934.58, 1,723,571.46 and 765,406.29 is: 1,056,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,934.58 : 1,723,571.46 = 765,406.29 : x
  2. Step 2: Convert to fraction form
    1,248,934.58/1,723,571.46 = 765,406.29/x
  3. Step 3: Cross multiply
    1,248,934.58x = 1,723,571.46 × 765,406.29
  4. Step 4: Simplify right side
    1,248,934.58x = 1,319,232,432,921.45
  5. Step 5: Solve for x
    x = 1,319,232,432,921.45/1,248,934.58
  6. Step 6: Final answer
    x = 1,056,286.26

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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.