Home / 1,268,281.13-1,751,146.52-816,359.45

Finding the Fourth Proportional to 1,268,281.13, 1,751,146.52 and 816,359.45

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Solution

The fourth proportional to 1,268,281.13, 1,751,146.52 and 816,359.45 is: 1,127,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,281.13 : 1,751,146.52 = 816,359.45 : x
  2. Step 2: Convert to fraction form
    1,268,281.13/1,751,146.52 = 816,359.45/x
  3. Step 3: Cross multiply
    1,268,281.13x = 1,751,146.52 × 816,359.45
  4. Step 4: Simplify right side
    1,268,281.13x = 1,429,564,997,099.08
  5. Step 5: Solve for x
    x = 1,429,564,997,099.08/1,268,281.13
  6. Step 6: Final answer
    x = 1,127,167.29

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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.