Home / 1,362,549.10-1,880,227.80-818,361.54

Finding the Fourth Proportional to 1,362,549.10, 1,880,227.80 and 818,361.54

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Solution

The fourth proportional to 1,362,549.10, 1,880,227.80 and 818,361.54 is: 1,129,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,549.10 : 1,880,227.80 = 818,361.54 : x
  2. Step 2: Convert to fraction form
    1,362,549.10/1,880,227.80 = 818,361.54/x
  3. Step 3: Cross multiply
    1,362,549.10x = 1,880,227.80 × 818,361.54
  4. Step 4: Simplify right side
    1,362,549.10x = 1,538,706,117,958.81
  5. Step 5: Solve for x
    x = 1,538,706,117,958.81/1,362,549.10
  6. Step 6: Final answer
    x = 1,129,284.90

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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.