Home / 1,285,615.57-1,774,163.90-734,404.25

Finding the Fourth Proportional to 1,285,615.57, 1,774,163.90 and 734,404.25

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Solution

The fourth proportional to 1,285,615.57, 1,774,163.90 and 734,404.25 is: 1,013,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,615.57 : 1,774,163.90 = 734,404.25 : x
  2. Step 2: Convert to fraction form
    1,285,615.57/1,774,163.90 = 734,404.25/x
  3. Step 3: Cross multiply
    1,285,615.57x = 1,774,163.90 × 734,404.25
  4. Step 4: Simplify right side
    1,285,615.57x = 1,302,953,504,684.55
  5. Step 5: Solve for x
    x = 1,302,953,504,684.55/1,285,615.57
  6. Step 6: Final answer
    x = 1,013,486.10

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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.