Home / 1,040,237.90-1,556,900.85-755,117.90

Finding the Fourth Proportional to 1,040,237.90, 1,556,900.85 and 755,117.90

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Solution

The fourth proportional to 1,040,237.90, 1,556,900.85 and 755,117.90 is: 1,130,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,237.90 : 1,556,900.85 = 755,117.90 : x
  2. Step 2: Convert to fraction form
    1,040,237.90/1,556,900.85 = 755,117.90/x
  3. Step 3: Cross multiply
    1,040,237.90x = 1,556,900.85 × 755,117.90
  4. Step 4: Simplify right side
    1,040,237.90x = 1,175,643,700,360.22
  5. Step 5: Solve for x
    x = 1,175,643,700,360.22/1,040,237.90
  6. Step 6: Final answer
    x = 1,130,168.11

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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.