Home / 1,328,549.60-1,993,158.16-381,922

Finding the Fourth Proportional to 1,328,549.60, 1,993,158.16 and 381,922

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Solution

The fourth proportional to 1,328,549.60, 1,993,158.16 and 381,922 is: 572,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,549.60 : 1,993,158.16 = 381,922 : x
  2. Step 2: Convert to fraction form
    1,328,549.60/1,993,158.16 = 381,922/x
  3. Step 3: Cross multiply
    1,328,549.60x = 1,993,158.16 × 381,922
  4. Step 4: Simplify right side
    1,328,549.60x = 761,230,950,783.52
  5. Step 5: Solve for x
    x = 761,230,950,783.52/1,328,549.60
  6. Step 6: Final answer
    x = 572,978.95

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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.