Home / 1,268,269.13-1,751,129.94-816,347.45

Finding the Fourth Proportional to 1,268,269.13, 1,751,129.94 and 816,347.45

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Solution

The fourth proportional to 1,268,269.13, 1,751,129.94 and 816,347.45 is: 1,127,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,269.13 : 1,751,129.94 = 816,347.45 : x
  2. Step 2: Convert to fraction form
    1,268,269.13/1,751,129.94 = 816,347.45/x
  3. Step 3: Cross multiply
    1,268,269.13x = 1,751,129.94 × 816,347.45
  4. Step 4: Simplify right side
    1,268,269.13x = 1,429,530,452,382.00
  5. Step 5: Solve for x
    x = 1,429,530,452,382.00/1,268,269.13
  6. Step 6: Final answer
    x = 1,127,150.72

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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.