Home / 1,942,386.60-2,912,705.10-743,910.60

Finding the Fourth Proportional to 1,942,386.60, 2,912,705.10 and 743,910.60

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Solution

The fourth proportional to 1,942,386.60, 2,912,705.10 and 743,910.60 is: 1,115,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,386.60 : 2,912,705.10 = 743,910.60 : x
  2. Step 2: Convert to fraction form
    1,942,386.60/2,912,705.10 = 743,910.60/x
  3. Step 3: Cross multiply
    1,942,386.60x = 2,912,705.10 × 743,910.60
  4. Step 4: Simplify right side
    1,942,386.60x = 2,166,792,198,564.06
  5. Step 5: Solve for x
    x = 2,166,792,198,564.06/1,942,386.60
  6. Step 6: Final answer
    x = 1,115,530.86

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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.