Home / 1,143,008.11-1,713,311.90-384,586.28

Finding the Fourth Proportional to 1,143,008.11, 1,713,311.90 and 384,586.28

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Solution

The fourth proportional to 1,143,008.11, 1,713,311.90 and 384,586.28 is: 576,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,008.11 : 1,713,311.90 = 384,586.28 : x
  2. Step 2: Convert to fraction form
    1,143,008.11/1,713,311.90 = 384,586.28/x
  3. Step 3: Cross multiply
    1,143,008.11x = 1,713,311.90 × 384,586.28
  4. Step 4: Simplify right side
    1,143,008.11x = 658,916,247,478.36
  5. Step 5: Solve for x
    x = 658,916,247,478.36/1,143,008.11
  6. Step 6: Final answer
    x = 576,475.57

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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.