Home / 1,199,375.10-1,655,134.83-683,128.89

Finding the Fourth Proportional to 1,199,375.10, 1,655,134.83 and 683,128.89

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Solution

The fourth proportional to 1,199,375.10, 1,655,134.83 and 683,128.89 is: 942,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,375.10 : 1,655,134.83 = 683,128.89 : x
  2. Step 2: Convert to fraction form
    1,199,375.10/1,655,134.83 = 683,128.89/x
  3. Step 3: Cross multiply
    1,199,375.10x = 1,655,134.83 × 683,128.89
  4. Step 4: Simplify right side
    1,199,375.10x = 1,130,670,419,218.24
  5. Step 5: Solve for x
    x = 1,130,670,419,218.24/1,199,375.10
  6. Step 6: Final answer
    x = 942,716.27

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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.