Home / 1,022,621.40-1,412,553.06-829,749.87

Finding the Fourth Proportional to 1,022,621.40, 1,412,553.06 and 829,749.87

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Solution

The fourth proportional to 1,022,621.40, 1,412,553.06 and 829,749.87 is: 1,146,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,621.40 : 1,412,553.06 = 829,749.87 : x
  2. Step 2: Convert to fraction form
    1,022,621.40/1,412,553.06 = 829,749.87/x
  3. Step 3: Cross multiply
    1,022,621.40x = 1,412,553.06 × 829,749.87
  4. Step 4: Simplify right side
    1,022,621.40x = 1,172,065,717,903.10
  5. Step 5: Solve for x
    x = 1,172,065,717,903.10/1,022,621.40
  6. Step 6: Final answer
    x = 1,146,138.46

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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.