Home / 1,627,712.70-2,442,735.45-916,986.30

Finding the Fourth Proportional to 1,627,712.70, 2,442,735.45 and 916,986.30

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Solution

The fourth proportional to 1,627,712.70, 2,442,735.45 and 916,986.30 is: 1,376,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,712.70 : 2,442,735.45 = 916,986.30 : x
  2. Step 2: Convert to fraction form
    1,627,712.70/2,442,735.45 = 916,986.30/x
  3. Step 3: Cross multiply
    1,627,712.70x = 2,442,735.45 × 916,986.30
  4. Step 4: Simplify right side
    1,627,712.70x = 2,239,954,942,174.34
  5. Step 5: Solve for x
    x = 2,239,954,942,174.34/1,627,712.70
  6. Step 6: Final answer
    x = 1,376,136.55

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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.