Home / 1,268,276.63-1,751,140.31-816,354.95

Finding the Fourth Proportional to 1,268,276.63, 1,751,140.31 and 816,354.95

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Solution

The fourth proportional to 1,268,276.63, 1,751,140.31 and 816,354.95 is: 1,127,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,276.63 : 1,751,140.31 = 816,354.95 : x
  2. Step 2: Convert to fraction form
    1,268,276.63/1,751,140.31 = 816,354.95/x
  3. Step 3: Cross multiply
    1,268,276.63x = 1,751,140.31 × 816,354.95
  4. Step 4: Simplify right side
    1,268,276.63x = 1,429,552,047,375.56
  5. Step 5: Solve for x
    x = 1,429,552,047,375.56/1,268,276.63
  6. Step 6: Final answer
    x = 1,127,161.08

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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.