Home / 1,028,135.14-1,418,870.82-569,249.70

Finding the Fourth Proportional to 1,028,135.14, 1,418,870.82 and 569,249.70

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Solution

The fourth proportional to 1,028,135.14, 1,418,870.82 and 569,249.70 is: 785,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,135.14 : 1,418,870.82 = 569,249.70 : x
  2. Step 2: Convert to fraction form
    1,028,135.14/1,418,870.82 = 569,249.70/x
  3. Step 3: Cross multiply
    1,028,135.14x = 1,418,870.82 × 569,249.70
  4. Step 4: Simplify right side
    1,028,135.14x = 807,691,781,529.40
  5. Step 5: Solve for x
    x = 807,691,781,529.40/1,028,135.14
  6. Step 6: Final answer
    x = 785,589.12

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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.