Home / 1,271,820.11-1,755,091.80-698,847.98

Finding the Fourth Proportional to 1,271,820.11, 1,755,091.80 and 698,847.98

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Solution

The fourth proportional to 1,271,820.11, 1,755,091.80 and 698,847.98 is: 964,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,820.11 : 1,755,091.80 = 698,847.98 : x
  2. Step 2: Convert to fraction form
    1,271,820.11/1,755,091.80 = 698,847.98/x
  3. Step 3: Cross multiply
    1,271,820.11x = 1,755,091.80 × 698,847.98
  4. Step 4: Simplify right side
    1,271,820.11x = 1,226,542,350,369.11
  5. Step 5: Solve for x
    x = 1,226,542,350,369.11/1,271,820.11
  6. Step 6: Final answer
    x = 964,399.25

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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.