Home / 1,055,642.70-1,583,464.05-256,917.90

Finding the Fourth Proportional to 1,055,642.70, 1,583,464.05 and 256,917.90

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Solution

The fourth proportional to 1,055,642.70, 1,583,464.05 and 256,917.90 is: 385,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,642.70 : 1,583,464.05 = 256,917.90 : x
  2. Step 2: Convert to fraction form
    1,055,642.70/1,583,464.05 = 256,917.90/x
  3. Step 3: Cross multiply
    1,055,642.70x = 1,583,464.05 × 256,917.90
  4. Step 4: Simplify right side
    1,055,642.70x = 406,820,258,451.50
  5. Step 5: Solve for x
    x = 406,820,258,451.50/1,055,642.70
  6. Step 6: Final answer
    x = 385,376.85

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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.