Home / 1,331,069.73-1,837,253.04-787,394.49

Finding the Fourth Proportional to 1,331,069.73, 1,837,253.04 and 787,394.49

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Solution

The fourth proportional to 1,331,069.73, 1,837,253.04 and 787,394.49 is: 1,086,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,069.73 : 1,837,253.04 = 787,394.49 : x
  2. Step 2: Convert to fraction form
    1,331,069.73/1,837,253.04 = 787,394.49/x
  3. Step 3: Cross multiply
    1,331,069.73x = 1,837,253.04 × 787,394.49
  4. Step 4: Simplify right side
    1,331,069.73x = 1,446,642,920,431.75
  5. Step 5: Solve for x
    x = 1,446,642,920,431.75/1,331,069.73
  6. Step 6: Final answer
    x = 1,086,827.30

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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.