Home / 1,256,926.24-1,734,255.78-740,701.24

Finding the Fourth Proportional to 1,256,926.24, 1,734,255.78 and 740,701.24

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Solution

The fourth proportional to 1,256,926.24, 1,734,255.78 and 740,701.24 is: 1,021,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,926.24 : 1,734,255.78 = 740,701.24 : x
  2. Step 2: Convert to fraction form
    1,256,926.24/1,734,255.78 = 740,701.24/x
  3. Step 3: Cross multiply
    1,256,926.24x = 1,734,255.78 × 740,701.24
  4. Step 4: Simplify right side
    1,256,926.24x = 1,284,565,406,723.17
  5. Step 5: Solve for x
    x = 1,284,565,406,723.17/1,256,926.24
  6. Step 6: Final answer
    x = 1,021,989.49

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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.