Home / 1,112,290.20-1,668,824.10-481,656.60

Finding the Fourth Proportional to 1,112,290.20, 1,668,824.10 and 481,656.60

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Solution

The fourth proportional to 1,112,290.20, 1,668,824.10 and 481,656.60 is: 722,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,290.20 : 1,668,824.10 = 481,656.60 : x
  2. Step 2: Convert to fraction form
    1,112,290.20/1,668,824.10 = 481,656.60/x
  3. Step 3: Cross multiply
    1,112,290.20x = 1,668,824.10 × 481,656.60
  4. Step 4: Simplify right side
    1,112,290.20x = 803,800,142,004.06
  5. Step 5: Solve for x
    x = 803,800,142,004.06/1,112,290.20
  6. Step 6: Final answer
    x = 722,653.26

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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.