Home / 1,145,302.07-1,580,535.90-629,103.70

Finding the Fourth Proportional to 1,145,302.07, 1,580,535.90 and 629,103.70

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Solution

The fourth proportional to 1,145,302.07, 1,580,535.90 and 629,103.70 is: 868,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,302.07 : 1,580,535.90 = 629,103.70 : x
  2. Step 2: Convert to fraction form
    1,145,302.07/1,580,535.90 = 629,103.70/x
  3. Step 3: Cross multiply
    1,145,302.07x = 1,580,535.90 × 629,103.70
  4. Step 4: Simplify right side
    1,145,302.07x = 994,320,978,721.49
  5. Step 5: Solve for x
    x = 994,320,978,721.49/1,145,302.07
  6. Step 6: Final answer
    x = 868,173.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.