Home / 1,663,429.35-2,295,546.23-918,379.20

Finding the Fourth Proportional to 1,663,429.35, 2,295,546.23 and 918,379.20

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Solution

The fourth proportional to 1,663,429.35, 2,295,546.23 and 918,379.20 is: 1,267,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,429.35 : 2,295,546.23 = 918,379.20 : x
  2. Step 2: Convert to fraction form
    1,663,429.35/2,295,546.23 = 918,379.20/x
  3. Step 3: Cross multiply
    1,663,429.35x = 2,295,546.23 × 918,379.20
  4. Step 4: Simplify right side
    1,663,429.35x = 2,108,181,910,270.42
  5. Step 5: Solve for x
    x = 2,108,181,910,270.42/1,663,429.35
  6. Step 6: Final answer
    x = 1,267,370.87

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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.