Home / 1,256,408.92-1,733,956.68-740,167.60

Finding the Fourth Proportional to 1,256,408.92, 1,733,956.68 and 740,167.60

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Solution

The fourth proportional to 1,256,408.92, 1,733,956.68 and 740,167.60 is: 1,021,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,408.92 : 1,733,956.68 = 740,167.60 : x
  2. Step 2: Convert to fraction form
    1,256,408.92/1,733,956.68 = 740,167.60/x
  3. Step 3: Cross multiply
    1,256,408.92x = 1,733,956.68 × 740,167.60
  4. Step 4: Simplify right side
    1,256,408.92x = 1,283,418,554,339.57
  5. Step 5: Solve for x
    x = 1,283,418,554,339.57/1,256,408.92
  6. Step 6: Final answer
    x = 1,021,497.49

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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.