Home / 1,486,972.84-2,230,449.54-422,015.56

Finding the Fourth Proportional to 1,486,972.84, 2,230,449.54 and 422,015.56

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Solution

The fourth proportional to 1,486,972.84, 2,230,449.54 and 422,015.56 is: 633,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,972.84 : 2,230,449.54 = 422,015.56 : x
  2. Step 2: Convert to fraction form
    1,486,972.84/2,230,449.54 = 422,015.56/x
  3. Step 3: Cross multiply
    1,486,972.84x = 2,230,449.54 × 422,015.56
  4. Step 4: Simplify right side
    1,486,972.84x = 941,284,411,674.84
  5. Step 5: Solve for x
    x = 941,284,411,674.84/1,486,972.84
  6. Step 6: Final answer
    x = 633,020.58

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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.