Home / 1,256,404.88-1,733,951.20-740,163.52

Finding the Fourth Proportional to 1,256,404.88, 1,733,951.20 and 740,163.52

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Solution

The fourth proportional to 1,256,404.88, 1,733,951.20 and 740,163.52 is: 1,021,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,404.88 : 1,733,951.20 = 740,163.52 : x
  2. Step 2: Convert to fraction form
    1,256,404.88/1,733,951.20 = 740,163.52/x
  3. Step 3: Cross multiply
    1,256,404.88x = 1,733,951.20 × 740,163.52
  4. Step 4: Simplify right side
    1,256,404.88x = 1,283,407,423,700.22
  5. Step 5: Solve for x
    x = 1,283,407,423,700.22/1,256,404.88
  6. Step 6: Final answer
    x = 1,021,491.91

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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.