Home / 1,265,962.35-1,899,110.29-412,734.37

Finding the Fourth Proportional to 1,265,962.35, 1,899,110.29 and 412,734.37

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Solution

The fourth proportional to 1,265,962.35, 1,899,110.29 and 412,734.37 is: 619,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,962.35 : 1,899,110.29 = 412,734.37 : x
  2. Step 2: Convert to fraction form
    1,265,962.35/1,899,110.29 = 412,734.37/x
  3. Step 3: Cross multiply
    1,265,962.35x = 1,899,110.29 × 412,734.37
  4. Step 4: Simplify right side
    1,265,962.35x = 783,828,089,103.67
  5. Step 5: Solve for x
    x = 783,828,089,103.67/1,265,962.35
  6. Step 6: Final answer
    x = 619,155.92

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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.