Home / 1,081,137.53-1,621,722.01-282,419.16

Finding the Fourth Proportional to 1,081,137.53, 1,621,722.01 and 282,419.16

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Solution

The fourth proportional to 1,081,137.53, 1,621,722.01 and 282,419.16 is: 423,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,137.53 : 1,621,722.01 = 282,419.16 : x
  2. Step 2: Convert to fraction form
    1,081,137.53/1,621,722.01 = 282,419.16/x
  3. Step 3: Cross multiply
    1,081,137.53x = 1,621,722.01 × 282,419.16
  4. Step 4: Simplify right side
    1,081,137.53x = 458,005,361,559.74
  5. Step 5: Solve for x
    x = 458,005,361,559.74/1,081,137.53
  6. Step 6: Final answer
    x = 423,632.84

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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.