Home / 816,175.64-1,226,184.48-770,858.60

Finding the Fourth Proportional to 816,175.64, 1,226,184.48 and 770,858.60

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Solution

The fourth proportional to 816,175.64, 1,226,184.48 and 770,858.60 is: 1,158,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,175.64 : 1,226,184.48 = 770,858.60 : x
  2. Step 2: Convert to fraction form
    816,175.64/1,226,184.48 = 770,858.60/x
  3. Step 3: Cross multiply
    816,175.64x = 1,226,184.48 × 770,858.60
  4. Step 4: Simplify right side
    816,175.64x = 945,214,851,594.53
  5. Step 5: Solve for x
    x = 945,214,851,594.53/816,175.64
  6. Step 6: Final answer
    x = 1,158,102.26

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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.