Home / 1,292,285.76-1,938,561.18-494,238.54

Finding the Fourth Proportional to 1,292,285.76, 1,938,561.18 and 494,238.54

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Solution

The fourth proportional to 1,292,285.76, 1,938,561.18 and 494,238.54 is: 741,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,285.76 : 1,938,561.18 = 494,238.54 : x
  2. Step 2: Convert to fraction form
    1,292,285.76/1,938,561.18 = 494,238.54/x
  3. Step 3: Cross multiply
    1,292,285.76x = 1,938,561.18 × 494,238.54
  4. Step 4: Simplify right side
    1,292,285.76x = 958,111,647,303.88
  5. Step 5: Solve for x
    x = 958,111,647,303.88/1,292,285.76
  6. Step 6: Final answer
    x = 741,408.50

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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.