Home / 1,628,487.90-2,443,606.65-681,954.30

Finding the Fourth Proportional to 1,628,487.90, 2,443,606.65 and 681,954.30

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Solution

The fourth proportional to 1,628,487.90, 2,443,606.65 and 681,954.30 is: 1,023,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,487.90 : 2,443,606.65 = 681,954.30 : x
  2. Step 2: Convert to fraction form
    1,628,487.90/2,443,606.65 = 681,954.30/x
  3. Step 3: Cross multiply
    1,628,487.90x = 2,443,606.65 × 681,954.30
  4. Step 4: Simplify right side
    1,628,487.90x = 1,666,428,062,476.10
  5. Step 5: Solve for x
    x = 1,666,428,062,476.10/1,628,487.90
  6. Step 6: Final answer
    x = 1,023,297.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.