Home / 1,236,474.30-1,854,837.18-426,753.33

Finding the Fourth Proportional to 1,236,474.30, 1,854,837.18 and 426,753.33

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Solution

The fourth proportional to 1,236,474.30, 1,854,837.18 and 426,753.33 is: 640,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,474.30 : 1,854,837.18 = 426,753.33 : x
  2. Step 2: Convert to fraction form
    1,236,474.30/1,854,837.18 = 426,753.33/x
  3. Step 3: Cross multiply
    1,236,474.30x = 1,854,837.18 × 426,753.33
  4. Step 4: Simplify right side
    1,236,474.30x = 791,557,943,172.81
  5. Step 5: Solve for x
    x = 791,557,943,172.81/1,236,474.30
  6. Step 6: Final answer
    x = 640,173.39

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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.