Home / 1,271,968.80-1,755,232.08-698,996.64

Finding the Fourth Proportional to 1,271,968.80, 1,755,232.08 and 698,996.64

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Solution

The fourth proportional to 1,271,968.80, 1,755,232.08 and 698,996.64 is: 964,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,968.80 : 1,755,232.08 = 698,996.64 : x
  2. Step 2: Convert to fraction form
    1,271,968.80/1,755,232.08 = 698,996.64/x
  3. Step 3: Cross multiply
    1,271,968.80x = 1,755,232.08 × 698,996.64
  4. Step 4: Simplify right side
    1,271,968.80x = 1,226,901,326,340.21
  5. Step 5: Solve for x
    x = 1,226,901,326,340.21/1,271,968.80
  6. Step 6: Final answer
    x = 964,568.73

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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.