Home / 1,040,216.40-1,556,868.60-755,096.40

Finding the Fourth Proportional to 1,040,216.40, 1,556,868.60 and 755,096.40

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Solution

The fourth proportional to 1,040,216.40, 1,556,868.60 and 755,096.40 is: 1,130,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,216.40 : 1,556,868.60 = 755,096.40 : x
  2. Step 2: Convert to fraction form
    1,040,216.40/1,556,868.60 = 755,096.40/x
  3. Step 3: Cross multiply
    1,040,216.40x = 1,556,868.60 × 755,096.40
  4. Step 4: Simplify right side
    1,040,216.40x = 1,175,585,875,133.04
  5. Step 5: Solve for x
    x = 1,175,585,875,133.04/1,040,216.40
  6. Step 6: Final answer
    x = 1,130,135.88

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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.