Home / 1,299,788.52-1,793,911.14-790,650.60

Finding the Fourth Proportional to 1,299,788.52, 1,793,911.14 and 790,650.60

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Solution

The fourth proportional to 1,299,788.52, 1,793,911.14 and 790,650.60 is: 1,091,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,788.52 : 1,793,911.14 = 790,650.60 : x
  2. Step 2: Convert to fraction form
    1,299,788.52/1,793,911.14 = 790,650.60/x
  3. Step 3: Cross multiply
    1,299,788.52x = 1,793,911.14 × 790,650.60
  4. Step 4: Simplify right side
    1,299,788.52x = 1,418,356,919,187.68
  5. Step 5: Solve for x
    x = 1,418,356,919,187.68/1,299,788.52
  6. Step 6: Final answer
    x = 1,091,221.30

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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.