Home / 1,315,828.80-1,972,212.30-605,928.60

Finding the Fourth Proportional to 1,315,828.80, 1,972,212.30 and 605,928.60

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Solution

The fourth proportional to 1,315,828.80, 1,972,212.30 and 605,928.60 is: 908,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,828.80 : 1,972,212.30 = 605,928.60 : x
  2. Step 2: Convert to fraction form
    1,315,828.80/1,972,212.30 = 605,928.60/x
  3. Step 3: Cross multiply
    1,315,828.80x = 1,972,212.30 × 605,928.60
  4. Step 4: Simplify right side
    1,315,828.80x = 1,195,019,837,841.78
  5. Step 5: Solve for x
    x = 1,195,019,837,841.78/1,315,828.80
  6. Step 6: Final answer
    x = 908,187.93

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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.