Home / 1,345,896.55-1,856,286.95-862,506.64

Finding the Fourth Proportional to 1,345,896.55, 1,856,286.95 and 862,506.64

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Solution

The fourth proportional to 1,345,896.55, 1,856,286.95 and 862,506.64 is: 1,189,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,896.55 : 1,856,286.95 = 862,506.64 : x
  2. Step 2: Convert to fraction form
    1,345,896.55/1,856,286.95 = 862,506.64/x
  3. Step 3: Cross multiply
    1,345,896.55x = 1,856,286.95 × 862,506.64
  4. Step 4: Simplify right side
    1,345,896.55x = 1,601,059,820,120.35
  5. Step 5: Solve for x
    x = 1,601,059,820,120.35/1,345,896.55
  6. Step 6: Final answer
    x = 1,189,586.09

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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.