Home / 1,042,133.10-1,563,372.45-443,381.10

Finding the Fourth Proportional to 1,042,133.10, 1,563,372.45 and 443,381.10

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Solution

The fourth proportional to 1,042,133.10, 1,563,372.45 and 443,381.10 is: 665,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,133.10 : 1,563,372.45 = 443,381.10 : x
  2. Step 2: Convert to fraction form
    1,042,133.10/1,563,372.45 = 443,381.10/x
  3. Step 3: Cross multiply
    1,042,133.10x = 1,563,372.45 × 443,381.10
  4. Step 4: Simplify right side
    1,042,133.10x = 693,169,796,590.70
  5. Step 5: Solve for x
    x = 693,169,796,590.70/1,042,133.10
  6. Step 6: Final answer
    x = 665,145.17

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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.