Home / 1,447,746.72-2,171,636.79-436,877.43

Finding the Fourth Proportional to 1,447,746.72, 2,171,636.79 and 436,877.43

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Solution

The fourth proportional to 1,447,746.72, 2,171,636.79 and 436,877.43 is: 655,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,746.72 : 2,171,636.79 = 436,877.43 : x
  2. Step 2: Convert to fraction form
    1,447,746.72/2,171,636.79 = 436,877.43/x
  3. Step 3: Cross multiply
    1,447,746.72x = 2,171,636.79 × 436,877.43
  4. Step 4: Simplify right side
    1,447,746.72x = 948,739,093,203.30
  5. Step 5: Solve for x
    x = 948,739,093,203.30/1,447,746.72
  6. Step 6: Final answer
    x = 655,321.18

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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.