Home / 1,258,806.22-1,889,855.73-747,404.96

Finding the Fourth Proportional to 1,258,806.22, 1,889,855.73 and 747,404.96

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Solution

The fourth proportional to 1,258,806.22, 1,889,855.73 and 747,404.96 is: 1,122,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,806.22 : 1,889,855.73 = 747,404.96 : x
  2. Step 2: Convert to fraction form
    1,258,806.22/1,889,855.73 = 747,404.96/x
  3. Step 3: Cross multiply
    1,258,806.22x = 1,889,855.73 × 747,404.96
  4. Step 4: Simplify right side
    1,258,806.22x = 1,412,487,536,837.14
  5. Step 5: Solve for x
    x = 1,412,487,536,837.14/1,258,806.22
  6. Step 6: Final answer
    x = 1,122,084.97

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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.