Home / 1,095,120.18-1,639,238.85-696,211.38

Finding the Fourth Proportional to 1,095,120.18, 1,639,238.85 and 696,211.38

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Solution

The fourth proportional to 1,095,120.18, 1,639,238.85 and 696,211.38 is: 1,042,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,120.18 : 1,639,238.85 = 696,211.38 : x
  2. Step 2: Convert to fraction form
    1,095,120.18/1,639,238.85 = 696,211.38/x
  3. Step 3: Cross multiply
    1,095,120.18x = 1,639,238.85 × 696,211.38
  4. Step 4: Simplify right side
    1,095,120.18x = 1,141,256,741,908.11
  5. Step 5: Solve for x
    x = 1,141,256,741,908.11/1,095,120.18
  6. Step 6: Final answer
    x = 1,042,129.22

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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.