Home / 1,271,482.32-1,906,504.56-418,323.09

Finding the Fourth Proportional to 1,271,482.32, 1,906,504.56 and 418,323.09

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Solution

The fourth proportional to 1,271,482.32, 1,906,504.56 and 418,323.09 is: 627,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,482.32 : 1,906,504.56 = 418,323.09 : x
  2. Step 2: Convert to fraction form
    1,271,482.32/1,906,504.56 = 418,323.09/x
  3. Step 3: Cross multiply
    1,271,482.32x = 1,906,504.56 × 418,323.09
  4. Step 4: Simplify right side
    1,271,482.32x = 797,534,878,638.29
  5. Step 5: Solve for x
    x = 797,534,878,638.29/1,271,482.32
  6. Step 6: Final answer
    x = 627,248.11

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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.