Home / 1,256,940.34-1,885,414.38-310,311.16

Finding the Fourth Proportional to 1,256,940.34, 1,885,414.38 and 310,311.16

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Solution

The fourth proportional to 1,256,940.34, 1,885,414.38 and 310,311.16 is: 465,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,940.34 : 1,885,414.38 = 310,311.16 : x
  2. Step 2: Convert to fraction form
    1,256,940.34/1,885,414.38 = 310,311.16/x
  3. Step 3: Cross multiply
    1,256,940.34x = 1,885,414.38 × 310,311.16
  4. Step 4: Simplify right side
    1,256,940.34x = 585,065,123,338.48
  5. Step 5: Solve for x
    x = 585,065,123,338.48/1,256,940.34
  6. Step 6: Final answer
    x = 465,467.70

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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.