Home / 1,040,231.90-1,556,891.85-755,111.90

Finding the Fourth Proportional to 1,040,231.90, 1,556,891.85 and 755,111.90

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Solution

The fourth proportional to 1,040,231.90, 1,556,891.85 and 755,111.90 is: 1,130,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,231.90 : 1,556,891.85 = 755,111.90 : x
  2. Step 2: Convert to fraction form
    1,040,231.90/1,556,891.85 = 755,111.90/x
  3. Step 3: Cross multiply
    1,040,231.90x = 1,556,891.85 × 755,111.90
  4. Step 4: Simplify right side
    1,040,231.90x = 1,175,627,562,948.02
  5. Step 5: Solve for x
    x = 1,175,627,562,948.02/1,040,231.90
  6. Step 6: Final answer
    x = 1,130,159.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.