Home / 1,145,266.44-1,717,615.80-387,091.10

Finding the Fourth Proportional to 1,145,266.44, 1,717,615.80 and 387,091.10

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Solution

The fourth proportional to 1,145,266.44, 1,717,615.80 and 387,091.10 is: 580,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,266.44 : 1,717,615.80 = 387,091.10 : x
  2. Step 2: Convert to fraction form
    1,145,266.44/1,717,615.80 = 387,091.10/x
  3. Step 3: Cross multiply
    1,145,266.44x = 1,717,615.80 × 387,091.10
  4. Step 4: Simplify right side
    1,145,266.44x = 664,873,778,875.85
  5. Step 5: Solve for x
    x = 664,873,778,875.85/1,145,266.44
  6. Step 6: Final answer
    x = 580,540.70

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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.