Home / 1,612,987.80-2,419,478.76-476,548.32

Finding the Fourth Proportional to 1,612,987.80, 2,419,478.76 and 476,548.32

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Solution

The fourth proportional to 1,612,987.80, 2,419,478.76 and 476,548.32 is: 714,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,987.80 : 2,419,478.76 = 476,548.32 : x
  2. Step 2: Convert to fraction form
    1,612,987.80/2,419,478.76 = 476,548.32/x
  3. Step 3: Cross multiply
    1,612,987.80x = 2,419,478.76 × 476,548.32
  4. Step 4: Simplify right side
    1,612,987.80x = 1,152,998,538,353.68
  5. Step 5: Solve for x
    x = 1,152,998,538,353.68/1,612,987.80
  6. Step 6: Final answer
    x = 714,821.61

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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.