Home / 1,128,122.27-1,556,820.77-611,876.87

Finding the Fourth Proportional to 1,128,122.27, 1,556,820.77 and 611,876.87

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Solution

The fourth proportional to 1,128,122.27, 1,556,820.77 and 611,876.87 is: 844,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,122.27 : 1,556,820.77 = 611,876.87 : x
  2. Step 2: Convert to fraction form
    1,128,122.27/1,556,820.77 = 611,876.87/x
  3. Step 3: Cross multiply
    1,128,122.27x = 1,556,820.77 × 611,876.87
  4. Step 4: Simplify right side
    1,128,122.27x = 952,582,609,055.10
  5. Step 5: Solve for x
    x = 952,582,609,055.10/1,128,122.27
  6. Step 6: Final answer
    x = 844,396.60

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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.