Home / 1,105,868.67-1,659,202.35-386,316.69

Finding the Fourth Proportional to 1,105,868.67, 1,659,202.35 and 386,316.69

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Solution

The fourth proportional to 1,105,868.67, 1,659,202.35 and 386,316.69 is: 579,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,868.67 : 1,659,202.35 = 386,316.69 : x
  2. Step 2: Convert to fraction form
    1,105,868.67/1,659,202.35 = 386,316.69/x
  3. Step 3: Cross multiply
    1,105,868.67x = 1,659,202.35 × 386,316.69
  4. Step 4: Simplify right side
    1,105,868.67x = 640,977,559,892.22
  5. Step 5: Solve for x
    x = 640,977,559,892.22/1,105,868.67
  6. Step 6: Final answer
    x = 579,614.54

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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.