Home / 1,731,240.78-2,389,114.60-996,180.46

Finding the Fourth Proportional to 1,731,240.78, 2,389,114.60 and 996,180.46

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Solution

The fourth proportional to 1,731,240.78, 2,389,114.60 and 996,180.46 is: 1,374,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,240.78 : 2,389,114.60 = 996,180.46 : x
  2. Step 2: Convert to fraction form
    1,731,240.78/2,389,114.60 = 996,180.46/x
  3. Step 3: Cross multiply
    1,731,240.78x = 2,389,114.60 × 996,180.46
  4. Step 4: Simplify right side
    1,731,240.78x = 2,379,989,281,220.72
  5. Step 5: Solve for x
    x = 2,379,989,281,220.72/1,731,240.78
  6. Step 6: Final answer
    x = 1,374,730.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.