Home / 1,271,782.72-1,755,054.84-698,821.12

Finding the Fourth Proportional to 1,271,782.72, 1,755,054.84 and 698,821.12

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Solution

The fourth proportional to 1,271,782.72, 1,755,054.84 and 698,821.12 is: 964,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,782.72 : 1,755,054.84 = 698,821.12 : x
  2. Step 2: Convert to fraction form
    1,271,782.72/1,755,054.84 = 698,821.12/x
  3. Step 3: Cross multiply
    1,271,782.72x = 1,755,054.84 × 698,821.12
  4. Step 4: Simplify right side
    1,271,782.72x = 1,226,469,388,950.22
  5. Step 5: Solve for x
    x = 1,226,469,388,950.22/1,271,782.72
  6. Step 6: Final answer
    x = 964,370.23

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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.