Home / 1,541,728.80-2,312,247.60-1,012,960.80

Finding the Fourth Proportional to 1,541,728.80, 2,312,247.60 and 1,012,960.80

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Solution

The fourth proportional to 1,541,728.80, 2,312,247.60 and 1,012,960.80 is: 1,519,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,728.80 : 2,312,247.60 = 1,012,960.80 : x
  2. Step 2: Convert to fraction form
    1,541,728.80/2,312,247.60 = 1,012,960.80/x
  3. Step 3: Cross multiply
    1,541,728.80x = 2,312,247.60 × 1,012,960.80
  4. Step 4: Simplify right side
    1,541,728.80x = 2,342,216,178,694.08
  5. Step 5: Solve for x
    x = 2,342,216,178,694.08/1,541,728.80
  6. Step 6: Final answer
    x = 1,519,214.13

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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.