Home / 1,079,289.45-1,618,391.97-359,376.69

Finding the Fourth Proportional to 1,079,289.45, 1,618,391.97 and 359,376.69

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Solution

The fourth proportional to 1,079,289.45, 1,618,391.97 and 359,376.69 is: 538,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,289.45 : 1,618,391.97 = 359,376.69 : x
  2. Step 2: Convert to fraction form
    1,079,289.45/1,618,391.97 = 359,376.69/x
  3. Step 3: Cross multiply
    1,079,289.45x = 1,618,391.97 × 359,376.69
  4. Step 4: Simplify right side
    1,079,289.45x = 581,612,349,301.18
  5. Step 5: Solve for x
    x = 581,612,349,301.18/1,079,289.45
  6. Step 6: Final answer
    x = 538,884.49

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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.