Home / 1,682,577.70-2,321,945.10-918,631.26

Finding the Fourth Proportional to 1,682,577.70, 2,321,945.10 and 918,631.26

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Solution

The fourth proportional to 1,682,577.70, 2,321,945.10 and 918,631.26 is: 1,267,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,577.70 : 2,321,945.10 = 918,631.26 : x
  2. Step 2: Convert to fraction form
    1,682,577.70/2,321,945.10 = 918,631.26/x
  3. Step 3: Cross multiply
    1,682,577.70x = 2,321,945.10 × 918,631.26
  4. Step 4: Simplify right side
    1,682,577.70x = 2,133,011,352,863.83
  5. Step 5: Solve for x
    x = 2,133,011,352,863.83/1,682,577.70
  6. Step 6: Final answer
    x = 1,267,704.52

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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.