Home / 1,302,971.43-1,798,208.30-722,376.75

Finding the Fourth Proportional to 1,302,971.43, 1,798,208.30 and 722,376.75

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Solution

The fourth proportional to 1,302,971.43, 1,798,208.30 and 722,376.75 is: 996,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,971.43 : 1,798,208.30 = 722,376.75 : x
  2. Step 2: Convert to fraction form
    1,302,971.43/1,798,208.30 = 722,376.75/x
  3. Step 3: Cross multiply
    1,302,971.43x = 1,798,208.30 × 722,376.75
  4. Step 4: Simplify right side
    1,302,971.43x = 1,298,983,876,126.25
  5. Step 5: Solve for x
    x = 1,298,983,876,126.25/1,302,971.43
  6. Step 6: Final answer
    x = 996,939.64

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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.