Home / 1,055,644.20-1,583,466.30-256,919.40

Finding the Fourth Proportional to 1,055,644.20, 1,583,466.30 and 256,919.40

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Solution

The fourth proportional to 1,055,644.20, 1,583,466.30 and 256,919.40 is: 385,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,644.20 : 1,583,466.30 = 256,919.40 : x
  2. Step 2: Convert to fraction form
    1,055,644.20/1,583,466.30 = 256,919.40/x
  3. Step 3: Cross multiply
    1,055,644.20x = 1,583,466.30 × 256,919.40
  4. Step 4: Simplify right side
    1,055,644.20x = 406,823,211,716.22
  5. Step 5: Solve for x
    x = 406,823,211,716.22/1,055,644.20
  6. Step 6: Final answer
    x = 385,379.10

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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.