Home / 1,040,230.90-1,556,890.35-755,110.90

Finding the Fourth Proportional to 1,040,230.90, 1,556,890.35 and 755,110.90

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Solution

The fourth proportional to 1,040,230.90, 1,556,890.35 and 755,110.90 is: 1,130,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,230.90 : 1,556,890.35 = 755,110.90 : x
  2. Step 2: Convert to fraction form
    1,040,230.90/1,556,890.35 = 755,110.90/x
  3. Step 3: Cross multiply
    1,040,230.90x = 1,556,890.35 × 755,110.90
  4. Step 4: Simplify right side
    1,040,230.90x = 1,175,624,873,389.82
  5. Step 5: Solve for x
    x = 1,175,624,873,389.82/1,040,230.90
  6. Step 6: Final answer
    x = 1,130,157.62

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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.