Home / 859,584.49-1,289,578.43-845,303.38

Finding the Fourth Proportional to 859,584.49, 1,289,578.43 and 845,303.38

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Solution

The fourth proportional to 859,584.49, 1,289,578.43 and 845,303.38 is: 1,268,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,584.49 : 1,289,578.43 = 845,303.38 : x
  2. Step 2: Convert to fraction form
    859,584.49/1,289,578.43 = 845,303.38/x
  3. Step 3: Cross multiply
    859,584.49x = 1,289,578.43 × 845,303.38
  4. Step 4: Simplify right side
    859,584.49x = 1,090,085,008,878.04
  5. Step 5: Solve for x
    x = 1,090,085,008,878.04/859,584.49
  6. Step 6: Final answer
    x = 1,268,153.41

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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.