Home / 1,138,469.70-1,709,672.85-607,028.70

Finding the Fourth Proportional to 1,138,469.70, 1,709,672.85 and 607,028.70

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Solution

The fourth proportional to 1,138,469.70, 1,709,672.85 and 607,028.70 is: 911,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,469.70 : 1,709,672.85 = 607,028.70 : x
  2. Step 2: Convert to fraction form
    1,138,469.70/1,709,672.85 = 607,028.70/x
  3. Step 3: Cross multiply
    1,138,469.70x = 1,709,672.85 × 607,028.70
  4. Step 4: Simplify right side
    1,138,469.70x = 1,037,820,487,560.80
  5. Step 5: Solve for x
    x = 1,037,820,487,560.80/1,138,469.70
  6. Step 6: Final answer
    x = 911,592.54

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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.