Home / 1,190,481.60-1,642,876.67-646,628.01

Finding the Fourth Proportional to 1,190,481.60, 1,642,876.67 and 646,628.01

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Solution

The fourth proportional to 1,190,481.60, 1,642,876.67 and 646,628.01 is: 892,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,481.60 : 1,642,876.67 = 646,628.01 : x
  2. Step 2: Convert to fraction form
    1,190,481.60/1,642,876.67 = 646,628.01/x
  3. Step 3: Cross multiply
    1,190,481.60x = 1,642,876.67 × 646,628.01
  4. Step 4: Simplify right side
    1,190,481.60x = 1,062,330,068,564.39
  5. Step 5: Solve for x
    x = 1,062,330,068,564.39/1,190,481.60
  6. Step 6: Final answer
    x = 892,353.20

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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.