Home / 1,359,905.34-1,876,611.48-748,019.28

Finding the Fourth Proportional to 1,359,905.34, 1,876,611.48 and 748,019.28

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Solution

The fourth proportional to 1,359,905.34, 1,876,611.48 and 748,019.28 is: 1,032,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,905.34 : 1,876,611.48 = 748,019.28 : x
  2. Step 2: Convert to fraction form
    1,359,905.34/1,876,611.48 = 748,019.28/x
  3. Step 3: Cross multiply
    1,359,905.34x = 1,876,611.48 × 748,019.28
  4. Step 4: Simplify right side
    1,359,905.34x = 1,403,741,568,109.33
  5. Step 5: Solve for x
    x = 1,403,741,568,109.33/1,359,905.34
  6. Step 6: Final answer
    x = 1,032,234.76

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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.