Home / 1,249,185.64-1,723,472.10-765,245.80

Finding the Fourth Proportional to 1,249,185.64, 1,723,472.10 and 765,245.80

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Solution

The fourth proportional to 1,249,185.64, 1,723,472.10 and 765,245.80 is: 1,055,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,185.64 : 1,723,472.10 = 765,245.80 : x
  2. Step 2: Convert to fraction form
    1,249,185.64/1,723,472.10 = 765,245.80/x
  3. Step 3: Cross multiply
    1,249,185.64x = 1,723,472.10 × 765,245.80
  4. Step 4: Simplify right side
    1,249,185.64x = 1,318,879,785,942.18
  5. Step 5: Solve for x
    x = 1,318,879,785,942.18/1,249,185.64
  6. Step 6: Final answer
    x = 1,055,791.66

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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.