Home / 1,248,470.32-1,872,721.34-438,822.04

Finding the Fourth Proportional to 1,248,470.32, 1,872,721.34 and 438,822.04

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Solution

The fourth proportional to 1,248,470.32, 1,872,721.34 and 438,822.04 is: 658,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,470.32 : 1,872,721.34 = 438,822.04 : x
  2. Step 2: Convert to fraction form
    1,248,470.32/1,872,721.34 = 438,822.04/x
  3. Step 3: Cross multiply
    1,248,470.32x = 1,872,721.34 × 438,822.04
  4. Step 4: Simplify right side
    1,248,470.32x = 821,791,398,770.33
  5. Step 5: Solve for x
    x = 821,791,398,770.33/1,248,470.32
  6. Step 6: Final answer
    x = 658,238.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.