Home / 1,119,827.82-1,678,954.17-520,152.30

Finding the Fourth Proportional to 1,119,827.82, 1,678,954.17 and 520,152.30

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Solution

The fourth proportional to 1,119,827.82, 1,678,954.17 and 520,152.30 is: 779,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,827.82 : 1,678,954.17 = 520,152.30 : x
  2. Step 2: Convert to fraction form
    1,119,827.82/1,678,954.17 = 520,152.30/x
  3. Step 3: Cross multiply
    1,119,827.82x = 1,678,954.17 × 520,152.30
  4. Step 4: Simplify right side
    1,119,827.82x = 873,311,873,120.09
  5. Step 5: Solve for x
    x = 873,311,873,120.09/1,119,827.82
  6. Step 6: Final answer
    x = 779,862.63

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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.