Home / 1,293,063.10-1,784,299.34-720,156.58

Finding the Fourth Proportional to 1,293,063.10, 1,784,299.34 and 720,156.58

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Solution

The fourth proportional to 1,293,063.10, 1,784,299.34 and 720,156.58 is: 993,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,063.10 : 1,784,299.34 = 720,156.58 : x
  2. Step 2: Convert to fraction form
    1,293,063.10/1,784,299.34 = 720,156.58/x
  3. Step 3: Cross multiply
    1,293,063.10x = 1,784,299.34 × 720,156.58
  4. Step 4: Simplify right side
    1,293,063.10x = 1,284,974,907,730.30
  5. Step 5: Solve for x
    x = 1,284,974,907,730.30/1,293,063.10
  6. Step 6: Final answer
    x = 993,744.94

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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.