Home / 1,780,084.62-2,670,200.64-517,912.26

Finding the Fourth Proportional to 1,780,084.62, 2,670,200.64 and 517,912.26

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Solution

The fourth proportional to 1,780,084.62, 2,670,200.64 and 517,912.26 is: 776,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,084.62 : 2,670,200.64 = 517,912.26 : x
  2. Step 2: Convert to fraction form
    1,780,084.62/2,670,200.64 = 517,912.26/x
  3. Step 3: Cross multiply
    1,780,084.62x = 2,670,200.64 × 517,912.26
  4. Step 4: Simplify right side
    1,780,084.62x = 1,382,929,648,115.85
  5. Step 5: Solve for x
    x = 1,382,929,648,115.85/1,780,084.62
  6. Step 6: Final answer
    x = 776,889.84

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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.