Home / 1,447,381.25-2,171,069.27-436,502.44

Finding the Fourth Proportional to 1,447,381.25, 2,171,069.27 and 436,502.44

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Solution

The fourth proportional to 1,447,381.25, 2,171,069.27 and 436,502.44 is: 654,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,381.25 : 2,171,069.27 = 436,502.44 : x
  2. Step 2: Convert to fraction form
    1,447,381.25/2,171,069.27 = 436,502.44/x
  3. Step 3: Cross multiply
    1,447,381.25x = 2,171,069.27 × 436,502.44
  4. Step 4: Simplify right side
    1,447,381.25x = 947,677,022,492.30
  5. Step 5: Solve for x
    x = 947,677,022,492.30/1,447,381.25
  6. Step 6: Final answer
    x = 654,752.87

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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.