Home / 1,136,016.90-1,702,401.30-834,128.82

Finding the Fourth Proportional to 1,136,016.90, 1,702,401.30 and 834,128.82

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Solution

The fourth proportional to 1,136,016.90, 1,702,401.30 and 834,128.82 is: 1,250,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,016.90 : 1,702,401.30 = 834,128.82 : x
  2. Step 2: Convert to fraction form
    1,136,016.90/1,702,401.30 = 834,128.82/x
  3. Step 3: Cross multiply
    1,136,016.90x = 1,702,401.30 × 834,128.82
  4. Step 4: Simplify right side
    1,136,016.90x = 1,420,021,987,535.47
  5. Step 5: Solve for x
    x = 1,420,021,987,535.47/1,136,016.90
  6. Step 6: Final answer
    x = 1,250,000.76

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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.