Home / 1,185,661.26-1,778,496.33-287,101.50

Finding the Fourth Proportional to 1,185,661.26, 1,778,496.33 and 287,101.50

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Solution

The fourth proportional to 1,185,661.26, 1,778,496.33 and 287,101.50 is: 430,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,661.26 : 1,778,496.33 = 287,101.50 : x
  2. Step 2: Convert to fraction form
    1,185,661.26/1,778,496.33 = 287,101.50/x
  3. Step 3: Cross multiply
    1,185,661.26x = 1,778,496.33 × 287,101.50
  4. Step 4: Simplify right side
    1,185,661.26x = 510,608,964,087.50
  5. Step 5: Solve for x
    x = 510,608,964,087.50/1,185,661.26
  6. Step 6: Final answer
    x = 430,653.33

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Double scale
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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.