Home / 1,040,225.40-1,556,882.10-755,105.40

Finding the Fourth Proportional to 1,040,225.40, 1,556,882.10 and 755,105.40

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Solution

The fourth proportional to 1,040,225.40, 1,556,882.10 and 755,105.40 is: 1,130,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,225.40 : 1,556,882.10 = 755,105.40 : x
  2. Step 2: Convert to fraction form
    1,040,225.40/1,556,882.10 = 755,105.40/x
  3. Step 3: Cross multiply
    1,040,225.40x = 1,556,882.10 × 755,105.40
  4. Step 4: Simplify right side
    1,040,225.40x = 1,175,610,080,873.34
  5. Step 5: Solve for x
    x = 1,175,610,080,873.34/1,040,225.40
  6. Step 6: Final answer
    x = 1,130,149.37

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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.