Home / 1,256,395.27-1,879,837.14-744,335.32

Finding the Fourth Proportional to 1,256,395.27, 1,879,837.14 and 744,335.32

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Solution

The fourth proportional to 1,256,395.27, 1,879,837.14 and 744,335.32 is: 1,113,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,395.27 : 1,879,837.14 = 744,335.32 : x
  2. Step 2: Convert to fraction form
    1,256,395.27/1,879,837.14 = 744,335.32/x
  3. Step 3: Cross multiply
    1,256,395.27x = 1,879,837.14 × 744,335.32
  4. Step 4: Simplify right side
    1,256,395.27x = 1,399,229,179,149.78
  5. Step 5: Solve for x
    x = 1,399,229,179,149.78/1,256,395.27
  6. Step 6: Final answer
    x = 1,113,685.49

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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.