Home / 992,427.10-1,369,857.77-788,839.27

Finding the Fourth Proportional to 992,427.10, 1,369,857.77 and 788,839.27

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Solution

The fourth proportional to 992,427.10, 1,369,857.77 and 788,839.27 is: 1,088,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,427.10 : 1,369,857.77 = 788,839.27 : x
  2. Step 2: Convert to fraction form
    992,427.10/1,369,857.77 = 788,839.27/x
  3. Step 3: Cross multiply
    992,427.10x = 1,369,857.77 × 788,839.27
  4. Step 4: Simplify right side
    992,427.10x = 1,080,597,603,290.63
  5. Step 5: Solve for x
    x = 1,080,597,603,290.63/992,427.10
  6. Step 6: Final answer
    x = 1,088,843.30

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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.