Home / 1,164,869.29-1,608,015.62-783,117.51

Finding the Fourth Proportional to 1,164,869.29, 1,608,015.62 and 783,117.51

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Solution

The fourth proportional to 1,164,869.29, 1,608,015.62 and 783,117.51 is: 1,081,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,869.29 : 1,608,015.62 = 783,117.51 : x
  2. Step 2: Convert to fraction form
    1,164,869.29/1,608,015.62 = 783,117.51/x
  3. Step 3: Cross multiply
    1,164,869.29x = 1,608,015.62 × 783,117.51
  4. Step 4: Simplify right side
    1,164,869.29x = 1,259,265,188,375.51
  5. Step 5: Solve for x
    x = 1,259,265,188,375.51/1,164,869.29
  6. Step 6: Final answer
    x = 1,081,035.61

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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.