Home / 1,223,135.70-1,834,703.55-381,578.10

Finding the Fourth Proportional to 1,223,135.70, 1,834,703.55 and 381,578.10

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Solution

The fourth proportional to 1,223,135.70, 1,834,703.55 and 381,578.10 is: 572,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,135.70 : 1,834,703.55 = 381,578.10 : x
  2. Step 2: Convert to fraction form
    1,223,135.70/1,834,703.55 = 381,578.10/x
  3. Step 3: Cross multiply
    1,223,135.70x = 1,834,703.55 × 381,578.10
  4. Step 4: Simplify right side
    1,223,135.70x = 700,082,694,672.26
  5. Step 5: Solve for x
    x = 700,082,694,672.26/1,223,135.70
  6. Step 6: Final answer
    x = 572,367.15

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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.