Home / 1,252,121.64-1,878,294.90-353,572.44

Finding the Fourth Proportional to 1,252,121.64, 1,878,294.90 and 353,572.44

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Solution

The fourth proportional to 1,252,121.64, 1,878,294.90 and 353,572.44 is: 530,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,121.64 : 1,878,294.90 = 353,572.44 : x
  2. Step 2: Convert to fraction form
    1,252,121.64/1,878,294.90 = 353,572.44/x
  3. Step 3: Cross multiply
    1,252,121.64x = 1,878,294.90 × 353,572.44
  4. Step 4: Simplify right side
    1,252,121.64x = 664,113,310,832.56
  5. Step 5: Solve for x
    x = 664,113,310,832.56/1,252,121.64
  6. Step 6: Final answer
    x = 530,390.41

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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.