Home / 1,442,160.33-1,990,100.31-788,656.37

Finding the Fourth Proportional to 1,442,160.33, 1,990,100.31 and 788,656.37

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Solution

The fourth proportional to 1,442,160.33, 1,990,100.31 and 788,656.37 is: 1,088,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,160.33 : 1,990,100.31 = 788,656.37 : x
  2. Step 2: Convert to fraction form
    1,442,160.33/1,990,100.31 = 788,656.37/x
  3. Step 3: Cross multiply
    1,442,160.33x = 1,990,100.31 × 788,656.37
  4. Step 4: Simplify right side
    1,442,160.33x = 1,569,505,276,469.97
  5. Step 5: Solve for x
    x = 1,569,505,276,469.97/1,442,160.33
  6. Step 6: Final answer
    x = 1,088,301.52

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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.