Home / 1,246,930.20-1,870,591.32-405,285.12

Finding the Fourth Proportional to 1,246,930.20, 1,870,591.32 and 405,285.12

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Solution

The fourth proportional to 1,246,930.20, 1,870,591.32 and 405,285.12 is: 607,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,930.20 : 1,870,591.32 = 405,285.12 : x
  2. Step 2: Convert to fraction form
    1,246,930.20/1,870,591.32 = 405,285.12/x
  3. Step 3: Cross multiply
    1,246,930.20x = 1,870,591.32 × 405,285.12
  4. Step 4: Simplify right side
    1,246,930.20x = 758,122,827,597.16
  5. Step 5: Solve for x
    x = 758,122,827,597.16/1,246,930.20
  6. Step 6: Final answer
    x = 607,991.39

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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.