Home / 1,640,604.70-2,460,907.05-1,242,023.95

Finding the Fourth Proportional to 1,640,604.70, 2,460,907.05 and 1,242,023.95

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Solution

The fourth proportional to 1,640,604.70, 2,460,907.05 and 1,242,023.95 is: 1,863,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,604.70 : 2,460,907.05 = 1,242,023.95 : x
  2. Step 2: Convert to fraction form
    1,640,604.70/2,460,907.05 = 1,242,023.95/x
  3. Step 3: Cross multiply
    1,640,604.70x = 2,460,907.05 × 1,242,023.95
  4. Step 4: Simplify right side
    1,640,604.70x = 3,056,505,494,823.85
  5. Step 5: Solve for x
    x = 3,056,505,494,823.85/1,640,604.70
  6. Step 6: Final answer
    x = 1,863,035.93

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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.