Home / 1,222,302.92-1,686,753.99-678,445.22

Finding the Fourth Proportional to 1,222,302.92, 1,686,753.99 and 678,445.22

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Solution

The fourth proportional to 1,222,302.92, 1,686,753.99 and 678,445.22 is: 936,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,302.92 : 1,686,753.99 = 678,445.22 : x
  2. Step 2: Convert to fraction form
    1,222,302.92/1,686,753.99 = 678,445.22/x
  3. Step 3: Cross multiply
    1,222,302.92x = 1,686,753.99 × 678,445.22
  4. Step 4: Simplify right side
    1,222,302.92x = 1,144,370,186,048.31
  5. Step 5: Solve for x
    x = 1,144,370,186,048.31/1,222,302.92
  6. Step 6: Final answer
    x = 936,241.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.