Home / 998,756.57-1,378,297.82-590,847.93

Finding the Fourth Proportional to 998,756.57, 1,378,297.82 and 590,847.93

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Solution

The fourth proportional to 998,756.57, 1,378,297.82 and 590,847.93 is: 815,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,756.57 : 1,378,297.82 = 590,847.93 : x
  2. Step 2: Convert to fraction form
    998,756.57/1,378,297.82 = 590,847.93/x
  3. Step 3: Cross multiply
    998,756.57x = 1,378,297.82 × 590,847.93
  4. Step 4: Simplify right side
    998,756.57x = 814,364,413,870.51
  5. Step 5: Solve for x
    x = 814,364,413,870.51/998,756.57
  6. Step 6: Final answer
    x = 815,378.28

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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.