Home / 1,374,995.70-1,897,842.86-939,589.29

Finding the Fourth Proportional to 1,374,995.70, 1,897,842.86 and 939,589.29

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Solution

The fourth proportional to 1,374,995.70, 1,897,842.86 and 939,589.29 is: 1,296,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,995.70 : 1,897,842.86 = 939,589.29 : x
  2. Step 2: Convert to fraction form
    1,374,995.70/1,897,842.86 = 939,589.29/x
  3. Step 3: Cross multiply
    1,374,995.70x = 1,897,842.86 × 939,589.29
  4. Step 4: Simplify right side
    1,374,995.70x = 1,783,192,820,661.02
  5. Step 5: Solve for x
    x = 1,783,192,820,661.02/1,374,995.70
  6. Step 6: Final answer
    x = 1,296,871.56

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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.