Home / 1,377,965.22-2,066,814.17-418,429.14

Finding the Fourth Proportional to 1,377,965.22, 2,066,814.17 and 418,429.14

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Solution

The fourth proportional to 1,377,965.22, 2,066,814.17 and 418,429.14 is: 627,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,965.22 : 2,066,814.17 = 418,429.14 : x
  2. Step 2: Convert to fraction form
    1,377,965.22/2,066,814.17 = 418,429.14/x
  3. Step 3: Cross multiply
    1,377,965.22x = 2,066,814.17 × 418,429.14
  4. Step 4: Simplify right side
    1,377,965.22x = 864,815,281,398.82
  5. Step 5: Solve for x
    x = 864,815,281,398.82/1,377,965.22
  6. Step 6: Final answer
    x = 627,603.13

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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.