Home / 786,175.38-1,178,640.99-785,207.70

Finding the Fourth Proportional to 786,175.38, 1,178,640.99 and 785,207.70

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Solution

The fourth proportional to 786,175.38, 1,178,640.99 and 785,207.70 is: 1,177,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,175.38 : 1,178,640.99 = 785,207.70 : x
  2. Step 2: Convert to fraction form
    786,175.38/1,178,640.99 = 785,207.70/x
  3. Step 3: Cross multiply
    786,175.38x = 1,178,640.99 × 785,207.70
  4. Step 4: Simplify right side
    786,175.38x = 925,477,980,883.62
  5. Step 5: Solve for x
    x = 925,477,980,883.62/786,175.38
  6. Step 6: Final answer
    x = 1,177,190.24

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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.