Home / 1,411,791.84-2,118,103.38-513,219.42

Finding the Fourth Proportional to 1,411,791.84, 2,118,103.38 and 513,219.42

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Solution

The fourth proportional to 1,411,791.84, 2,118,103.38 and 513,219.42 is: 769,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,791.84 : 2,118,103.38 = 513,219.42 : x
  2. Step 2: Convert to fraction form
    1,411,791.84/2,118,103.38 = 513,219.42/x
  3. Step 3: Cross multiply
    1,411,791.84x = 2,118,103.38 × 513,219.42
  4. Step 4: Simplify right side
    1,411,791.84x = 1,087,051,788,183.64
  5. Step 5: Solve for x
    x = 1,087,051,788,183.64/1,411,791.84
  6. Step 6: Final answer
    x = 769,980.22

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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.