Home / 1,387,003.37-1,914,654.03-843,312.90

Finding the Fourth Proportional to 1,387,003.37, 1,914,654.03 and 843,312.90

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Solution

The fourth proportional to 1,387,003.37, 1,914,654.03 and 843,312.90 is: 1,164,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,003.37 : 1,914,654.03 = 843,312.90 : x
  2. Step 2: Convert to fraction form
    1,387,003.37/1,914,654.03 = 843,312.90/x
  3. Step 3: Cross multiply
    1,387,003.37x = 1,914,654.03 × 843,312.90
  4. Step 4: Simplify right side
    1,387,003.37x = 1,614,652,432,770.44
  5. Step 5: Solve for x
    x = 1,614,652,432,770.44/1,387,003.37
  6. Step 6: Final answer
    x = 1,164,130.14

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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.