Home / 1,107,397.40-1,661,096.10-1,086,402.20

Finding the Fourth Proportional to 1,107,397.40, 1,661,096.10 and 1,086,402.20

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Solution

The fourth proportional to 1,107,397.40, 1,661,096.10 and 1,086,402.20 is: 1,629,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,397.40 : 1,661,096.10 = 1,086,402.20 : x
  2. Step 2: Convert to fraction form
    1,107,397.40/1,661,096.10 = 1,086,402.20/x
  3. Step 3: Cross multiply
    1,107,397.40x = 1,661,096.10 × 1,086,402.20
  4. Step 4: Simplify right side
    1,107,397.40x = 1,804,618,457,451.42
  5. Step 5: Solve for x
    x = 1,804,618,457,451.42/1,107,397.40
  6. Step 6: Final answer
    x = 1,629,603.30

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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.