Home / 1,377,980.51-2,066,837.09-418,444.44

Finding the Fourth Proportional to 1,377,980.51, 2,066,837.09 and 418,444.44

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Solution

The fourth proportional to 1,377,980.51, 2,066,837.09 and 418,444.44 is: 627,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,980.51 : 2,066,837.09 = 418,444.44 : x
  2. Step 2: Convert to fraction form
    1,377,980.51/2,066,837.09 = 418,444.44/x
  3. Step 3: Cross multiply
    1,377,980.51x = 2,066,837.09 × 418,444.44
  4. Step 4: Simplify right side
    1,377,980.51x = 864,856,486,604.06
  5. Step 5: Solve for x
    x = 864,856,486,604.06/1,377,980.51
  6. Step 6: Final answer
    x = 627,626.07

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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.