Home / 1,272,801.56-1,756,465.76-699,878.84

Finding the Fourth Proportional to 1,272,801.56, 1,756,465.76 and 699,878.84

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Solution

The fourth proportional to 1,272,801.56, 1,756,465.76 and 699,878.84 is: 965,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,801.56 : 1,756,465.76 = 699,878.84 : x
  2. Step 2: Convert to fraction form
    1,272,801.56/1,756,465.76 = 699,878.84/x
  3. Step 3: Cross multiply
    1,272,801.56x = 1,756,465.76 × 699,878.84
  4. Step 4: Simplify right side
    1,272,801.56x = 1,229,313,218,608.52
  5. Step 5: Solve for x
    x = 1,229,313,218,608.52/1,272,801.56
  6. Step 6: Final answer
    x = 965,832.58

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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.