Home / 1,374,039.30-1,896,204.68-762,172.19

Finding the Fourth Proportional to 1,374,039.30, 1,896,204.68 and 762,172.19

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Solution

The fourth proportional to 1,374,039.30, 1,896,204.68 and 762,172.19 is: 1,051,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,039.30 : 1,896,204.68 = 762,172.19 : x
  2. Step 2: Convert to fraction form
    1,374,039.30/1,896,204.68 = 762,172.19/x
  3. Step 3: Cross multiply
    1,374,039.30x = 1,896,204.68 × 762,172.19
  4. Step 4: Simplify right side
    1,374,039.30x = 1,445,234,460,351.97
  5. Step 5: Solve for x
    x = 1,445,234,460,351.97/1,374,039.30
  6. Step 6: Final answer
    x = 1,051,814.50

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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.