Home / 1,436,888.56-1,983,039.36-825,121.60

Finding the Fourth Proportional to 1,436,888.56, 1,983,039.36 and 825,121.60

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Solution

The fourth proportional to 1,436,888.56, 1,983,039.36 and 825,121.60 is: 1,138,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,888.56 : 1,983,039.36 = 825,121.60 : x
  2. Step 2: Convert to fraction form
    1,436,888.56/1,983,039.36 = 825,121.60/x
  3. Step 3: Cross multiply
    1,436,888.56x = 1,983,039.36 × 825,121.60
  4. Step 4: Simplify right side
    1,436,888.56x = 1,636,248,609,586.18
  5. Step 5: Solve for x
    x = 1,636,248,609,586.18/1,436,888.56
  6. Step 6: Final answer
    x = 1,138,744.27

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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.