Home / 1,851,131.64-2,777,044.98-840,324.54

Finding the Fourth Proportional to 1,851,131.64, 2,777,044.98 and 840,324.54

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Solution

The fourth proportional to 1,851,131.64, 2,777,044.98 and 840,324.54 is: 1,260,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,131.64 : 2,777,044.98 = 840,324.54 : x
  2. Step 2: Convert to fraction form
    1,851,131.64/2,777,044.98 = 840,324.54/x
  3. Step 3: Cross multiply
    1,851,131.64x = 2,777,044.98 × 840,324.54
  4. Step 4: Simplify right side
    1,851,131.64x = 2,333,619,045,377.81
  5. Step 5: Solve for x
    x = 2,333,619,045,377.81/1,851,131.64
  6. Step 6: Final answer
    x = 1,260,644.57

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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.