Home / 1,264,422.08-1,898,114.88-998,361.92

Finding the Fourth Proportional to 1,264,422.08, 1,898,114.88 and 998,361.92

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Solution

The fourth proportional to 1,264,422.08, 1,898,114.88 and 998,361.92 is: 1,498,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,422.08 : 1,898,114.88 = 998,361.92 : x
  2. Step 2: Convert to fraction form
    1,264,422.08/1,898,114.88 = 998,361.92/x
  3. Step 3: Cross multiply
    1,264,422.08x = 1,898,114.88 × 998,361.92
  4. Step 4: Simplify right side
    1,264,422.08x = 1,895,005,615,977.37
  5. Step 5: Solve for x
    x = 1,895,005,615,977.37/1,264,422.08
  6. Step 6: Final answer
    x = 1,498,712.85

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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.