Home / 1,243,270.16-1,715,710.28-699,406.32

Finding the Fourth Proportional to 1,243,270.16, 1,715,710.28 and 699,406.32

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Solution

The fourth proportional to 1,243,270.16, 1,715,710.28 and 699,406.32 is: 965,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,270.16 : 1,715,710.28 = 699,406.32 : x
  2. Step 2: Convert to fraction form
    1,243,270.16/1,715,710.28 = 699,406.32/x
  3. Step 3: Cross multiply
    1,243,270.16x = 1,715,710.28 × 699,406.32
  4. Step 4: Simplify right side
    1,243,270.16x = 1,199,978,613,120.97
  5. Step 5: Solve for x
    x = 1,199,978,613,120.97/1,243,270.16
  6. Step 6: Final answer
    x = 965,179.29

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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.