Home / 1,868,130.74-2,802,198.83-520,297.22

Finding the Fourth Proportional to 1,868,130.74, 2,802,198.83 and 520,297.22

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Solution

The fourth proportional to 1,868,130.74, 2,802,198.83 and 520,297.22 is: 780,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,130.74 : 2,802,198.83 = 520,297.22 : x
  2. Step 2: Convert to fraction form
    1,868,130.74/2,802,198.83 = 520,297.22/x
  3. Step 3: Cross multiply
    1,868,130.74x = 2,802,198.83 × 520,297.22
  4. Step 4: Simplify right side
    1,868,130.74x = 1,457,976,244,523.77
  5. Step 5: Solve for x
    x = 1,457,976,244,523.77/1,868,130.74
  6. Step 6: Final answer
    x = 780,446.58

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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.