Home / 1,753,788.45-2,420,632.49-1,028,869.05

Finding the Fourth Proportional to 1,753,788.45, 2,420,632.49 and 1,028,869.05

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Solution

The fourth proportional to 1,753,788.45, 2,420,632.49 and 1,028,869.05 is: 1,420,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,788.45 : 2,420,632.49 = 1,028,869.05 : x
  2. Step 2: Convert to fraction form
    1,753,788.45/2,420,632.49 = 1,028,869.05/x
  3. Step 3: Cross multiply
    1,753,788.45x = 2,420,632.49 × 1,028,869.05
  4. Step 4: Simplify right side
    1,753,788.45x = 2,490,513,850,385.44
  5. Step 5: Solve for x
    x = 2,490,513,850,385.44/1,753,788.45
  6. Step 6: Final answer
    x = 1,420,076.55

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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.