Home / 1,218,035.84-1,827,176.52-419,212.40

Finding the Fourth Proportional to 1,218,035.84, 1,827,176.52 and 419,212.40

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Solution

The fourth proportional to 1,218,035.84, 1,827,176.52 and 419,212.40 is: 628,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,035.84 : 1,827,176.52 = 419,212.40 : x
  2. Step 2: Convert to fraction form
    1,218,035.84/1,827,176.52 = 419,212.40/x
  3. Step 3: Cross multiply
    1,218,035.84x = 1,827,176.52 × 419,212.40
  4. Step 4: Simplify right side
    1,218,035.84x = 765,975,054,172.85
  5. Step 5: Solve for x
    x = 765,975,054,172.85/1,218,035.84
  6. Step 6: Final answer
    x = 628,860.85

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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.