Home / 1,345,871.46-1,856,833.61-862,703.03

Finding the Fourth Proportional to 1,345,871.46, 1,856,833.61 and 862,703.03

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Solution

The fourth proportional to 1,345,871.46, 1,856,833.61 and 862,703.03 is: 1,190,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,871.46 : 1,856,833.61 = 862,703.03 : x
  2. Step 2: Convert to fraction form
    1,345,871.46/1,856,833.61 = 862,703.03/x
  3. Step 3: Cross multiply
    1,345,871.46x = 1,856,833.61 × 862,703.03
  4. Step 4: Simplify right side
    1,345,871.46x = 1,601,895,972,268.67
  5. Step 5: Solve for x
    x = 1,601,895,972,268.67/1,345,871.46
  6. Step 6: Final answer
    x = 1,190,229.54

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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.