Home / 1,292,027.96-1,937,894.19-345,472.49

Finding the Fourth Proportional to 1,292,027.96, 1,937,894.19 and 345,472.49

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Solution

The fourth proportional to 1,292,027.96, 1,937,894.19 and 345,472.49 is: 518,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,027.96 : 1,937,894.19 = 345,472.49 : x
  2. Step 2: Convert to fraction form
    1,292,027.96/1,937,894.19 = 345,472.49/x
  3. Step 3: Cross multiply
    1,292,027.96x = 1,937,894.19 × 345,472.49
  4. Step 4: Simplify right side
    1,292,027.96x = 669,489,121,486.36
  5. Step 5: Solve for x
    x = 669,489,121,486.36/1,292,027.96
  6. Step 6: Final answer
    x = 518,169.22

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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.