Home / 987,131.94-1,362,273.60-605,544.18

Finding the Fourth Proportional to 987,131.94, 1,362,273.60 and 605,544.18

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Solution

The fourth proportional to 987,131.94, 1,362,273.60 and 605,544.18 is: 835,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,131.94 : 1,362,273.60 = 605,544.18 : x
  2. Step 2: Convert to fraction form
    987,131.94/1,362,273.60 = 605,544.18/x
  3. Step 3: Cross multiply
    987,131.94x = 1,362,273.60 × 605,544.18
  4. Step 4: Simplify right side
    987,131.94x = 824,916,850,047.65
  5. Step 5: Solve for x
    x = 824,916,850,047.65/987,131.94
  6. Step 6: Final answer
    x = 835,670.31

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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.