Home / 1,984,480.08-2,974,972.50-787,243.20

Finding the Fourth Proportional to 1,984,480.08, 2,974,972.50 and 787,243.20

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Solution

The fourth proportional to 1,984,480.08, 2,974,972.50 and 787,243.20 is: 1,180,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,480.08 : 2,974,972.50 = 787,243.20 : x
  2. Step 2: Convert to fraction form
    1,984,480.08/2,974,972.50 = 787,243.20/x
  3. Step 3: Cross multiply
    1,984,480.08x = 2,974,972.50 × 787,243.20
  4. Step 4: Simplify right side
    1,984,480.08x = 2,342,026,870,812
  5. Step 5: Solve for x
    x = 2,342,026,870,812/1,984,480.08
  6. Step 6: Final answer
    x = 1,180,171.52

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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.