Home / 1,246,380.21-1,869,821.73-393,585.03

Finding the Fourth Proportional to 1,246,380.21, 1,869,821.73 and 393,585.03

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Solution

The fourth proportional to 1,246,380.21, 1,869,821.73 and 393,585.03 is: 590,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,380.21 : 1,869,821.73 = 393,585.03 : x
  2. Step 2: Convert to fraction form
    1,246,380.21/1,869,821.73 = 393,585.03/x
  3. Step 3: Cross multiply
    1,246,380.21x = 1,869,821.73 × 393,585.03
  4. Step 4: Simplify right side
    1,246,380.21x = 735,933,841,696.70
  5. Step 5: Solve for x
    x = 735,933,841,696.70/1,246,380.21
  6. Step 6: Final answer
    x = 590,456.94

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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.