Home / 1,448,036.39-1,991,204.27-1,256,717.63

Finding the Fourth Proportional to 1,448,036.39, 1,991,204.27 and 1,256,717.63

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Solution

The fourth proportional to 1,448,036.39, 1,991,204.27 and 1,256,717.63 is: 1,728,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,036.39 : 1,991,204.27 = 1,256,717.63 : x
  2. Step 2: Convert to fraction form
    1,448,036.39/1,991,204.27 = 1,256,717.63/x
  3. Step 3: Cross multiply
    1,448,036.39x = 1,991,204.27 × 1,256,717.63
  4. Step 4: Simplify right side
    1,448,036.39x = 2,502,381,514,447.39
  5. Step 5: Solve for x
    x = 2,502,381,514,447.39/1,448,036.39
  6. Step 6: Final answer
    x = 1,728,120.60

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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.