Home / 1,202,409-1,802,038.86-670,180.68

Finding the Fourth Proportional to 1,202,409, 1,802,038.86 and 670,180.68

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Solution

The fourth proportional to 1,202,409, 1,802,038.86 and 670,180.68 is: 1,004,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,409 : 1,802,038.86 = 670,180.68 : x
  2. Step 2: Convert to fraction form
    1,202,409/1,802,038.86 = 670,180.68/x
  3. Step 3: Cross multiply
    1,202,409x = 1,802,038.86 × 670,180.68
  4. Step 4: Simplify right side
    1,202,409x = 1,207,691,628,581.22
  5. Step 5: Solve for x
    x = 1,207,691,628,581.22/1,202,409
  6. Step 6: Final answer
    x = 1,004,393.37

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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.