Home / 1,384,865.10-2,072,571.30-1,160,478.90

Finding the Fourth Proportional to 1,384,865.10, 2,072,571.30 and 1,160,478.90

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Solution

The fourth proportional to 1,384,865.10, 2,072,571.30 and 1,160,478.90 is: 1,736,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,865.10 : 2,072,571.30 = 1,160,478.90 : x
  2. Step 2: Convert to fraction form
    1,384,865.10/2,072,571.30 = 1,160,478.90/x
  3. Step 3: Cross multiply
    1,384,865.10x = 2,072,571.30 × 1,160,478.90
  4. Step 4: Simplify right side
    1,384,865.10x = 2,405,175,262,395.57
  5. Step 5: Solve for x
    x = 2,405,175,262,395.57/1,384,865.10
  6. Step 6: Final answer
    x = 1,736,757.80

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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.