Home / 1,370,593.44-1,887,194.28-1,217,365.40

Finding the Fourth Proportional to 1,370,593.44, 1,887,194.28 and 1,217,365.40

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Solution

The fourth proportional to 1,370,593.44, 1,887,194.28 and 1,217,365.40 is: 1,676,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,593.44 : 1,887,194.28 = 1,217,365.40 : x
  2. Step 2: Convert to fraction form
    1,370,593.44/1,887,194.28 = 1,217,365.40/x
  3. Step 3: Cross multiply
    1,370,593.44x = 1,887,194.28 × 1,217,365.40
  4. Step 4: Simplify right side
    1,370,593.44x = 2,297,405,010,113.94
  5. Step 5: Solve for x
    x = 2,297,405,010,113.94/1,370,593.44
  6. Step 6: Final answer
    x = 1,676,211.88

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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.