Home / 1,720,008.23-2,580,012.80-505,584.90

Finding the Fourth Proportional to 1,720,008.23, 2,580,012.80 and 505,584.90

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Solution

The fourth proportional to 1,720,008.23, 2,580,012.80 and 505,584.90 is: 758,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,008.23 : 2,580,012.80 = 505,584.90 : x
  2. Step 2: Convert to fraction form
    1,720,008.23/2,580,012.80 = 505,584.90/x
  3. Step 3: Cross multiply
    1,720,008.23x = 2,580,012.80 × 505,584.90
  4. Step 4: Simplify right side
    1,720,008.23x = 1,304,415,513,486.72
  5. Step 5: Solve for x
    x = 1,304,415,513,486.72/1,720,008.23
  6. Step 6: Final answer
    x = 758,377.48

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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.