Home / 1,043,785.47-1,563,019.79-687,720.27

Finding the Fourth Proportional to 1,043,785.47, 1,563,019.79 and 687,720.27

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Solution

The fourth proportional to 1,043,785.47, 1,563,019.79 and 687,720.27 is: 1,029,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,785.47 : 1,563,019.79 = 687,720.27 : x
  2. Step 2: Convert to fraction form
    1,043,785.47/1,563,019.79 = 687,720.27/x
  3. Step 3: Cross multiply
    1,043,785.47x = 1,563,019.79 × 687,720.27
  4. Step 4: Simplify right side
    1,043,785.47x = 1,074,920,388,555.54
  5. Step 5: Solve for x
    x = 1,074,920,388,555.54/1,043,785.47
  6. Step 6: Final answer
    x = 1,029,828.85

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