Home / 1,738,942.90-2,608,165.06-840,143.32

Finding the Fourth Proportional to 1,738,942.90, 2,608,165.06 and 840,143.32

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Solution

The fourth proportional to 1,738,942.90, 2,608,165.06 and 840,143.32 is: 1,260,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,942.90 : 2,608,165.06 = 840,143.32 : x
  2. Step 2: Convert to fraction form
    1,738,942.90/2,608,165.06 = 840,143.32/x
  3. Step 3: Cross multiply
    1,738,942.90x = 2,608,165.06 × 840,143.32
  4. Step 4: Simplify right side
    1,738,942.90x = 2,191,232,443,995.63
  5. Step 5: Solve for x
    x = 2,191,232,443,995.63/1,738,942.90
  6. Step 6: Final answer
    x = 1,260,094.54

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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.