Home / 1,243,276.63-1,715,704.64-699,412.25

Finding the Fourth Proportional to 1,243,276.63, 1,715,704.64 and 699,412.25

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Solution

The fourth proportional to 1,243,276.63, 1,715,704.64 and 699,412.25 is: 965,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,276.63 : 1,715,704.64 = 699,412.25 : x
  2. Step 2: Convert to fraction form
    1,243,276.63/1,715,704.64 = 699,412.25/x
  3. Step 3: Cross multiply
    1,243,276.63x = 1,715,704.64 × 699,412.25
  4. Step 4: Simplify right side
    1,243,276.63x = 1,199,984,846,012.84
  5. Step 5: Solve for x
    x = 1,199,984,846,012.84/1,243,276.63
  6. Step 6: Final answer
    x = 965,179.28

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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.