Home / 1,515,099.62-2,089,142.08-1,238,594.46

Finding the Fourth Proportional to 1,515,099.62, 2,089,142.08 and 1,238,594.46

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Solution

The fourth proportional to 1,515,099.62, 2,089,142.08 and 1,238,594.46 is: 1,707,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,099.62 : 2,089,142.08 = 1,238,594.46 : x
  2. Step 2: Convert to fraction form
    1,515,099.62/2,089,142.08 = 1,238,594.46/x
  3. Step 3: Cross multiply
    1,515,099.62x = 2,089,142.08 × 1,238,594.46
  4. Step 4: Simplify right side
    1,515,099.62x = 2,587,599,806,440.88
  5. Step 5: Solve for x
    x = 2,587,599,806,440.88/1,515,099.62
  6. Step 6: Final answer
    x = 1,707,874.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.