Home / 1,351,490.64-2,027,235.90-621,940.20

Finding the Fourth Proportional to 1,351,490.64, 2,027,235.90 and 621,940.20

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Solution

The fourth proportional to 1,351,490.64, 2,027,235.90 and 621,940.20 is: 932,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,490.64 : 2,027,235.90 = 621,940.20 : x
  2. Step 2: Convert to fraction form
    1,351,490.64/2,027,235.90 = 621,940.20/x
  3. Step 3: Cross multiply
    1,351,490.64x = 2,027,235.90 × 621,940.20
  4. Step 4: Simplify right side
    1,351,490.64x = 1,260,819,501,093.18
  5. Step 5: Solve for x
    x = 1,260,819,501,093.18/1,351,490.64
  6. Step 6: Final answer
    x = 932,910.27

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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.