Home / 1,244,392.96-1,717,391.28-761,279.80

Finding the Fourth Proportional to 1,244,392.96, 1,717,391.28 and 761,279.80

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Solution

The fourth proportional to 1,244,392.96, 1,717,391.28 and 761,279.80 is: 1,050,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,392.96 : 1,717,391.28 = 761,279.80 : x
  2. Step 2: Convert to fraction form
    1,244,392.96/1,717,391.28 = 761,279.80/x
  3. Step 3: Cross multiply
    1,244,392.96x = 1,717,391.28 × 761,279.80
  4. Step 4: Simplify right side
    1,244,392.96x = 1,307,415,290,160.14
  5. Step 5: Solve for x
    x = 1,307,415,290,160.14/1,244,392.96
  6. Step 6: Final answer
    x = 1,050,645.04

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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.