Home / 1,685,664.90-2,529,372.15-739,131.30

Finding the Fourth Proportional to 1,685,664.90, 2,529,372.15 and 739,131.30

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Solution

The fourth proportional to 1,685,664.90, 2,529,372.15 and 739,131.30 is: 1,109,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,664.90 : 2,529,372.15 = 739,131.30 : x
  2. Step 2: Convert to fraction form
    1,685,664.90/2,529,372.15 = 739,131.30/x
  3. Step 3: Cross multiply
    1,685,664.90x = 2,529,372.15 × 739,131.30
  4. Step 4: Simplify right side
    1,685,664.90x = 1,869,538,125,413.30
  5. Step 5: Solve for x
    x = 1,869,538,125,413.30/1,685,664.90
  6. Step 6: Final answer
    x = 1,109,080.53

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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.