Home / 1,670,817.30-2,505,824.52-771,395.32

Finding the Fourth Proportional to 1,670,817.30, 2,505,824.52 and 771,395.32

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Solution

The fourth proportional to 1,670,817.30, 2,505,824.52 and 771,395.32 is: 1,156,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,817.30 : 2,505,824.52 = 771,395.32 : x
  2. Step 2: Convert to fraction form
    1,670,817.30/2,505,824.52 = 771,395.32/x
  3. Step 3: Cross multiply
    1,670,817.30x = 2,505,824.52 × 771,395.32
  4. Step 4: Simplify right side
    1,670,817.30x = 1,932,981,307,469.25
  5. Step 5: Solve for x
    x = 1,932,981,307,469.25/1,670,817.30
  6. Step 6: Final answer
    x = 1,156,907.64

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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.