Home / 1,520,192.61-2,097,847.73-831,857.04

Finding the Fourth Proportional to 1,520,192.61, 2,097,847.73 and 831,857.04

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Solution

The fourth proportional to 1,520,192.61, 2,097,847.73 and 831,857.04 is: 1,147,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,192.61 : 2,097,847.73 = 831,857.04 : x
  2. Step 2: Convert to fraction form
    1,520,192.61/2,097,847.73 = 831,857.04/x
  3. Step 3: Cross multiply
    1,520,192.61x = 2,097,847.73 × 831,857.04
  4. Step 4: Simplify right side
    1,520,192.61x = 1,745,109,398,889.23
  5. Step 5: Solve for x
    x = 1,745,109,398,889.23/1,520,192.61
  6. Step 6: Final answer
    x = 1,147,952.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.