Home / 1,077,915.49-1,616,403.85-309,243.61

Finding the Fourth Proportional to 1,077,915.49, 1,616,403.85 and 309,243.61

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Solution

The fourth proportional to 1,077,915.49, 1,616,403.85 and 309,243.61 is: 463,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,915.49 : 1,616,403.85 = 309,243.61 : x
  2. Step 2: Convert to fraction form
    1,077,915.49/1,616,403.85 = 309,243.61/x
  3. Step 3: Cross multiply
    1,077,915.49x = 1,616,403.85 × 309,243.61
  4. Step 4: Simplify right side
    1,077,915.49x = 499,862,561,791.90
  5. Step 5: Solve for x
    x = 499,862,561,791.90/1,077,915.49
  6. Step 6: Final answer
    x = 463,730.75

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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.