Home / 1,377,897.37-2,066,926.49-418,384.26

Finding the Fourth Proportional to 1,377,897.37, 2,066,926.49 and 418,384.26

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Solution

The fourth proportional to 1,377,897.37, 2,066,926.49 and 418,384.26 is: 627,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,897.37 : 2,066,926.49 = 418,384.26 : x
  2. Step 2: Convert to fraction form
    1,377,897.37/2,066,926.49 = 418,384.26/x
  3. Step 3: Cross multiply
    1,377,897.37x = 2,066,926.49 × 418,384.26
  4. Step 4: Simplify right side
    1,377,897.37x = 864,769,509,993.05
  5. Step 5: Solve for x
    x = 864,769,509,993.05/1,377,897.37
  6. Step 6: Final answer
    x = 627,600.81

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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.