Home / 1,250,949.21-1,875,712.71-492,379.47

Finding the Fourth Proportional to 1,250,949.21, 1,875,712.71 and 492,379.47

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Solution

The fourth proportional to 1,250,949.21, 1,875,712.71 and 492,379.47 is: 738,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,949.21 : 1,875,712.71 = 492,379.47 : x
  2. Step 2: Convert to fraction form
    1,250,949.21/1,875,712.71 = 492,379.47/x
  3. Step 3: Cross multiply
    1,250,949.21x = 1,875,712.71 × 492,379.47
  4. Step 4: Simplify right side
    1,250,949.21x = 923,562,430,022.06
  5. Step 5: Solve for x
    x = 923,562,430,022.06/1,250,949.21
  6. Step 6: Final answer
    x = 738,289.31

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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.