Home / 1,040,214.40-1,556,865.60-755,094.40

Finding the Fourth Proportional to 1,040,214.40, 1,556,865.60 and 755,094.40

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Solution

The fourth proportional to 1,040,214.40, 1,556,865.60 and 755,094.40 is: 1,130,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,214.40 : 1,556,865.60 = 755,094.40 : x
  2. Step 2: Convert to fraction form
    1,040,214.40/1,556,865.60 = 755,094.40/x
  3. Step 3: Cross multiply
    1,040,214.40x = 1,556,865.60 × 755,094.40
  4. Step 4: Simplify right side
    1,040,214.40x = 1,175,580,496,112.64
  5. Step 5: Solve for x
    x = 1,175,580,496,112.64/1,040,214.40
  6. Step 6: Final answer
    x = 1,130,132.88

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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.