Home / 1,123,398.30-1,682,473.05-1,100,847.90

Finding the Fourth Proportional to 1,123,398.30, 1,682,473.05 and 1,100,847.90

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Solution

The fourth proportional to 1,123,398.30, 1,682,473.05 and 1,100,847.90 is: 1,648,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,398.30 : 1,682,473.05 = 1,100,847.90 : x
  2. Step 2: Convert to fraction form
    1,123,398.30/1,682,473.05 = 1,100,847.90/x
  3. Step 3: Cross multiply
    1,123,398.30x = 1,682,473.05 × 1,100,847.90
  4. Step 4: Simplify right side
    1,123,398.30x = 1,852,146,923,899.10
  5. Step 5: Solve for x
    x = 1,852,146,923,899.10/1,123,398.30
  6. Step 6: Final answer
    x = 1,648,700.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.