Home / 1,628,433.60-2,442,656.75-681,139.82

Finding the Fourth Proportional to 1,628,433.60, 2,442,656.75 and 681,139.82

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Solution

The fourth proportional to 1,628,433.60, 2,442,656.75 and 681,139.82 is: 1,021,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,433.60 : 2,442,656.75 = 681,139.82 : x
  2. Step 2: Convert to fraction form
    1,628,433.60/2,442,656.75 = 681,139.82/x
  3. Step 3: Cross multiply
    1,628,433.60x = 2,442,656.75 × 681,139.82
  4. Step 4: Simplify right side
    1,628,433.60x = 1,663,790,763,397.80
  5. Step 5: Solve for x
    x = 1,663,790,763,397.80/1,628,433.60
  6. Step 6: Final answer
    x = 1,021,712.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.