Home / 1,436,991.80-1,983,181.38-825,224.72

Finding the Fourth Proportional to 1,436,991.80, 1,983,181.38 and 825,224.72

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Solution

The fourth proportional to 1,436,991.80, 1,983,181.38 and 825,224.72 is: 1,138,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,991.80 : 1,983,181.38 = 825,224.72 : x
  2. Step 2: Convert to fraction form
    1,436,991.80/1,983,181.38 = 825,224.72/x
  3. Step 3: Cross multiply
    1,436,991.80x = 1,983,181.38 × 825,224.72
  4. Step 4: Simplify right side
    1,436,991.80x = 1,636,570,299,019.71
  5. Step 5: Solve for x
    x = 1,636,570,299,019.71/1,436,991.80
  6. Step 6: Final answer
    x = 1,138,886.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.