Home / 1,628,474.10-2,442,711.15-681,746.10

Finding the Fourth Proportional to 1,628,474.10, 2,442,711.15 and 681,746.10

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Solution

The fourth proportional to 1,628,474.10, 2,442,711.15 and 681,746.10 is: 1,022,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,474.10 : 2,442,711.15 = 681,746.10 : x
  2. Step 2: Convert to fraction form
    1,628,474.10/2,442,711.15 = 681,746.10/x
  3. Step 3: Cross multiply
    1,628,474.10x = 2,442,711.15 × 681,746.10
  4. Step 4: Simplify right side
    1,628,474.10x = 1,665,308,799,939.02
  5. Step 5: Solve for x
    x = 1,665,308,799,939.02/1,628,474.10
  6. Step 6: Final answer
    x = 1,022,619.15

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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.