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Finding the Fourth Proportional to 1,754,122, 2,631,599 and 572,170

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Solution

The fourth proportional to 1,754,122, 2,631,599 and 572,170 is: 858,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,122 : 2,631,599 = 572,170 : x
  2. Step 2: Convert to fraction form
    1,754,122/2,631,599 = 572,170/x
  3. Step 3: Cross multiply
    1,754,122x = 2,631,599 × 572,170
  4. Step 4: Simplify right side
    1,754,122x = 1,505,721,999,830
  5. Step 5: Solve for x
    x = 1,505,721,999,830/1,754,122
  6. Step 6: Final answer
    x = 858,390.69

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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.