Home / 1,077,695.15-1,616,580.91-268,083.78

Finding the Fourth Proportional to 1,077,695.15, 1,616,580.91 and 268,083.78

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Solution

The fourth proportional to 1,077,695.15, 1,616,580.91 and 268,083.78 is: 402,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,695.15 : 1,616,580.91 = 268,083.78 : x
  2. Step 2: Convert to fraction form
    1,077,695.15/1,616,580.91 = 268,083.78/x
  3. Step 3: Cross multiply
    1,077,695.15x = 1,616,580.91 × 268,083.78
  4. Step 4: Simplify right side
    1,077,695.15x = 433,379,120,358.43
  5. Step 5: Solve for x
    x = 433,379,120,358.43/1,077,695.15
  6. Step 6: Final answer
    x = 402,135.17

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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.