Home / 1,190,112.74-1,642,350.38-646,244.10

Finding the Fourth Proportional to 1,190,112.74, 1,642,350.38 and 646,244.10

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Solution

The fourth proportional to 1,190,112.74, 1,642,350.38 and 646,244.10 is: 891,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,112.74 : 1,642,350.38 = 646,244.10 : x
  2. Step 2: Convert to fraction form
    1,190,112.74/1,642,350.38 = 646,244.10/x
  3. Step 3: Cross multiply
    1,190,112.74x = 1,642,350.38 × 646,244.10
  4. Step 4: Simplify right side
    1,190,112.74x = 1,061,359,239,976.54
  5. Step 5: Solve for x
    x = 1,061,359,239,976.54/1,190,112.74
  6. Step 6: Final answer
    x = 891,814.03

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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.