Home / 1,040,227.40-1,556,885.10-755,107.40

Finding the Fourth Proportional to 1,040,227.40, 1,556,885.10 and 755,107.40

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Solution

The fourth proportional to 1,040,227.40, 1,556,885.10 and 755,107.40 is: 1,130,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,227.40 : 1,556,885.10 = 755,107.40 : x
  2. Step 2: Convert to fraction form
    1,040,227.40/1,556,885.10 = 755,107.40/x
  3. Step 3: Cross multiply
    1,040,227.40x = 1,556,885.10 × 755,107.40
  4. Step 4: Simplify right side
    1,040,227.40x = 1,175,615,459,959.74
  5. Step 5: Solve for x
    x = 1,175,615,459,959.74/1,040,227.40
  6. Step 6: Final answer
    x = 1,130,152.37

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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.