Home / 1,531,394.48-2,113,344.60-843,146.48

Finding the Fourth Proportional to 1,531,394.48, 2,113,344.60 and 843,146.48

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Solution

The fourth proportional to 1,531,394.48, 2,113,344.60 and 843,146.48 is: 1,163,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,394.48 : 2,113,344.60 = 843,146.48 : x
  2. Step 2: Convert to fraction form
    1,531,394.48/2,113,344.60 = 843,146.48/x
  3. Step 3: Cross multiply
    1,531,394.48x = 2,113,344.60 × 843,146.48
  4. Step 4: Simplify right side
    1,531,394.48x = 1,781,859,060,517.01
  5. Step 5: Solve for x
    x = 1,781,859,060,517.01/1,531,394.48
  6. Step 6: Final answer
    x = 1,163,553.27

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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.