Home / 1,423,113.46-2,135,371.55-665,007.23

Finding the Fourth Proportional to 1,423,113.46, 2,135,371.55 and 665,007.23

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Solution

The fourth proportional to 1,423,113.46, 2,135,371.55 and 665,007.23 is: 997,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,113.46 : 2,135,371.55 = 665,007.23 : x
  2. Step 2: Convert to fraction form
    1,423,113.46/2,135,371.55 = 665,007.23/x
  3. Step 3: Cross multiply
    1,423,113.46x = 2,135,371.55 × 665,007.23
  4. Step 4: Simplify right side
    1,423,113.46x = 1,420,037,521,499.70
  5. Step 5: Solve for x
    x = 1,420,037,521,499.70/1,423,113.46
  6. Step 6: Final answer
    x = 997,838.59

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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.