Home / 1,520,215.04-2,097,864.42-831,884.15

Finding the Fourth Proportional to 1,520,215.04, 2,097,864.42 and 831,884.15

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Solution

The fourth proportional to 1,520,215.04, 2,097,864.42 and 831,884.15 is: 1,147,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,215.04 : 2,097,864.42 = 831,884.15 : x
  2. Step 2: Convert to fraction form
    1,520,215.04/2,097,864.42 = 831,884.15/x
  3. Step 3: Cross multiply
    1,520,215.04x = 2,097,864.42 × 831,884.15
  4. Step 4: Simplify right side
    1,520,215.04x = 1,745,180,159,846.94
  5. Step 5: Solve for x
    x = 1,745,180,159,846.94/1,520,215.04
  6. Step 6: Final answer
    x = 1,147,982.43

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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.