Home / 1,271,444.94-1,907,016.31-418,305.02

Finding the Fourth Proportional to 1,271,444.94, 1,907,016.31 and 418,305.02

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Solution

The fourth proportional to 1,271,444.94, 1,907,016.31 and 418,305.02 is: 627,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,444.94 : 1,907,016.31 = 418,305.02 : x
  2. Step 2: Convert to fraction form
    1,271,444.94/1,907,016.31 = 418,305.02/x
  3. Step 3: Cross multiply
    1,271,444.94x = 1,907,016.31 × 418,305.02
  4. Step 4: Simplify right side
    1,271,444.94x = 797,714,486,159.80
  5. Step 5: Solve for x
    x = 797,714,486,159.80/1,271,444.94
  6. Step 6: Final answer
    x = 627,407.81

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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.