Home / 1,110,299.70-1,661,512.95-756,005.70

Finding the Fourth Proportional to 1,110,299.70, 1,661,512.95 and 756,005.70

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Solution

The fourth proportional to 1,110,299.70, 1,661,512.95 and 756,005.70 is: 1,131,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,299.70 : 1,661,512.95 = 756,005.70 : x
  2. Step 2: Convert to fraction form
    1,110,299.70/1,661,512.95 = 756,005.70/x
  3. Step 3: Cross multiply
    1,110,299.70x = 1,661,512.95 × 756,005.70
  4. Step 4: Simplify right side
    1,110,299.70x = 1,256,113,260,823.82
  5. Step 5: Solve for x
    x = 1,256,113,260,823.82/1,110,299.70
  6. Step 6: Final answer
    x = 1,131,328.11

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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.