Home / 1,292,247.37-1,938,370.60-345,593.49

Finding the Fourth Proportional to 1,292,247.37, 1,938,370.60 and 345,593.49

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Solution

The fourth proportional to 1,292,247.37, 1,938,370.60 and 345,593.49 is: 518,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,247.37 : 1,938,370.60 = 345,593.49 : x
  2. Step 2: Convert to fraction form
    1,292,247.37/1,938,370.60 = 345,593.49/x
  3. Step 3: Cross multiply
    1,292,247.37x = 1,938,370.60 × 345,593.49
  4. Step 4: Simplify right side
    1,292,247.37x = 669,888,253,730.50
  5. Step 5: Solve for x
    x = 669,888,253,730.50/1,292,247.37
  6. Step 6: Final answer
    x = 518,390.11

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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.