Home / 1,179,556.02-1,627,733.68-721,437.84

Finding the Fourth Proportional to 1,179,556.02, 1,627,733.68 and 721,437.84

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Solution

The fourth proportional to 1,179,556.02, 1,627,733.68 and 721,437.84 is: 995,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,556.02 : 1,627,733.68 = 721,437.84 : x
  2. Step 2: Convert to fraction form
    1,179,556.02/1,627,733.68 = 721,437.84/x
  3. Step 3: Cross multiply
    1,179,556.02x = 1,627,733.68 × 721,437.84
  4. Step 4: Simplify right side
    1,179,556.02x = 1,174,308,668,390.86
  5. Step 5: Solve for x
    x = 1,174,308,668,390.86/1,179,556.02
  6. Step 6: Final answer
    x = 995,551.42

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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.