Home / 1,447,749.25-2,171,640.59-436,879.96

Finding the Fourth Proportional to 1,447,749.25, 2,171,640.59 and 436,879.96

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Solution

The fourth proportional to 1,447,749.25, 2,171,640.59 and 436,879.96 is: 655,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,749.25 : 2,171,640.59 = 436,879.96 : x
  2. Step 2: Convert to fraction form
    1,447,749.25/2,171,640.59 = 436,879.96/x
  3. Step 3: Cross multiply
    1,447,749.25x = 2,171,640.59 × 436,879.96
  4. Step 4: Simplify right side
    1,447,749.25x = 948,746,248,118.38
  5. Step 5: Solve for x
    x = 948,746,248,118.38/1,447,749.25
  6. Step 6: Final answer
    x = 655,324.98

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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.