Home / 1,292,255.88-1,938,383.32-345,601.96

Finding the Fourth Proportional to 1,292,255.88, 1,938,383.32 and 345,601.96

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Solution

The fourth proportional to 1,292,255.88, 1,938,383.32 and 345,601.96 is: 518,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,255.88 : 1,938,383.32 = 345,601.96 : x
  2. Step 2: Convert to fraction form
    1,292,255.88/1,938,383.32 = 345,601.96/x
  3. Step 3: Cross multiply
    1,292,255.88x = 1,938,383.32 × 345,601.96
  4. Step 4: Simplify right side
    1,292,255.88x = 669,909,074,623.31
  5. Step 5: Solve for x
    x = 669,909,074,623.31/1,292,255.88
  6. Step 6: Final answer
    x = 518,402.81

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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.