Home / 1,681,788.60-2,320,562.64-993,572.49

Finding the Fourth Proportional to 1,681,788.60, 2,320,562.64 and 993,572.49

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Solution

The fourth proportional to 1,681,788.60, 2,320,562.64 and 993,572.49 is: 1,370,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,788.60 : 2,320,562.64 = 993,572.49 : x
  2. Step 2: Convert to fraction form
    1,681,788.60/2,320,562.64 = 993,572.49/x
  3. Step 3: Cross multiply
    1,681,788.60x = 2,320,562.64 × 993,572.49
  4. Step 4: Simplify right side
    1,681,788.60x = 2,305,647,200,425.77
  5. Step 5: Solve for x
    x = 2,305,647,200,425.77/1,681,788.60
  6. Step 6: Final answer
    x = 1,370,949.48

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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.