Home / 1,347,175.80-2,021,541.30-505,812.60

Finding the Fourth Proportional to 1,347,175.80, 2,021,541.30 and 505,812.60

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Solution

The fourth proportional to 1,347,175.80, 2,021,541.30 and 505,812.60 is: 759,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,175.80 : 2,021,541.30 = 505,812.60 : x
  2. Step 2: Convert to fraction form
    1,347,175.80/2,021,541.30 = 505,812.60/x
  3. Step 3: Cross multiply
    1,347,175.80x = 2,021,541.30 × 505,812.60
  4. Step 4: Simplify right side
    1,347,175.80x = 1,022,521,060,960.38
  5. Step 5: Solve for x
    x = 1,022,521,060,960.38/1,347,175.80
  6. Step 6: Final answer
    x = 759,010.86

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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.