Home / 1,618,856.25-2,427,861.39-481,312.08

Finding the Fourth Proportional to 1,618,856.25, 2,427,861.39 and 481,312.08

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Solution

The fourth proportional to 1,618,856.25, 2,427,861.39 and 481,312.08 is: 721,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,856.25 : 2,427,861.39 = 481,312.08 : x
  2. Step 2: Convert to fraction form
    1,618,856.25/2,427,861.39 = 481,312.08/x
  3. Step 3: Cross multiply
    1,618,856.25x = 2,427,861.39 × 481,312.08
  4. Step 4: Simplify right side
    1,618,856.25x = 1,168,559,015,572.59
  5. Step 5: Solve for x
    x = 1,168,559,015,572.59/1,618,856.25
  6. Step 6: Final answer
    x = 721,842.36

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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.