Home / 1,670,172.72-2,505,571.18-759,422.08

Finding the Fourth Proportional to 1,670,172.72, 2,505,571.18 and 759,422.08

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Solution

The fourth proportional to 1,670,172.72, 2,505,571.18 and 759,422.08 is: 1,139,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,172.72 : 2,505,571.18 = 759,422.08 : x
  2. Step 2: Convert to fraction form
    1,670,172.72/2,505,571.18 = 759,422.08/x
  3. Step 3: Cross multiply
    1,670,172.72x = 2,505,571.18 × 759,422.08
  4. Step 4: Simplify right side
    1,670,172.72x = 1,902,786,078,337.06
  5. Step 5: Solve for x
    x = 1,902,786,078,337.06/1,670,172.72
  6. Step 6: Final answer
    x = 1,139,275.03

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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.