Home / 1,530,555.08-2,115,079.09-1,147,917.56

Finding the Fourth Proportional to 1,530,555.08, 2,115,079.09 and 1,147,917.56

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Solution

The fourth proportional to 1,530,555.08, 2,115,079.09 and 1,147,917.56 is: 1,586,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,555.08 : 2,115,079.09 = 1,147,917.56 : x
  2. Step 2: Convert to fraction form
    1,530,555.08/2,115,079.09 = 1,147,917.56/x
  3. Step 3: Cross multiply
    1,530,555.08x = 2,115,079.09 × 1,147,917.56
  4. Step 4: Simplify right side
    1,530,555.08x = 2,427,936,414,754.63
  5. Step 5: Solve for x
    x = 2,427,936,414,754.63/1,530,555.08
  6. Step 6: Final answer
    x = 1,586,311.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.