Home / 1,008,048.40-1,512,072.62-759,216.40

Finding the Fourth Proportional to 1,008,048.40, 1,512,072.62 and 759,216.40

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Solution

The fourth proportional to 1,008,048.40, 1,512,072.62 and 759,216.40 is: 1,138,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,048.40 : 1,512,072.62 = 759,216.40 : x
  2. Step 2: Convert to fraction form
    1,008,048.40/1,512,072.62 = 759,216.40/x
  3. Step 3: Cross multiply
    1,008,048.40x = 1,512,072.62 × 759,216.40
  4. Step 4: Simplify right side
    1,008,048.40x = 1,147,990,331,094.97
  5. Step 5: Solve for x
    x = 1,147,990,331,094.97/1,008,048.40
  6. Step 6: Final answer
    x = 1,138,824.62

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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.