Home / 837,126.24-1,247,803.36-769,941.60

Finding the Fourth Proportional to 837,126.24, 1,247,803.36 and 769,941.60

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Solution

The fourth proportional to 837,126.24, 1,247,803.36 and 769,941.60 is: 1,147,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,126.24 : 1,247,803.36 = 769,941.60 : x
  2. Step 2: Convert to fraction form
    837,126.24/1,247,803.36 = 769,941.60/x
  3. Step 3: Cross multiply
    837,126.24x = 1,247,803.36 × 769,941.60
  4. Step 4: Simplify right side
    837,126.24x = 960,735,715,483.78
  5. Step 5: Solve for x
    x = 960,735,715,483.78/837,126.24
  6. Step 6: Final answer
    x = 1,147,659.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.