Home / 1,180,801.80-1,768,578.30-913,696.20

Finding the Fourth Proportional to 1,180,801.80, 1,768,578.30 and 913,696.20

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Solution

The fourth proportional to 1,180,801.80, 1,768,578.30 and 913,696.20 is: 1,368,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,801.80 : 1,768,578.30 = 913,696.20 : x
  2. Step 2: Convert to fraction form
    1,180,801.80/1,768,578.30 = 913,696.20/x
  3. Step 3: Cross multiply
    1,180,801.80x = 1,768,578.30 × 913,696.20
  4. Step 4: Simplify right side
    1,180,801.80x = 1,615,943,272,112.46
  5. Step 5: Solve for x
    x = 1,615,943,272,112.46/1,180,801.80
  6. Step 6: Final answer
    x = 1,368,513.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.