Home / 1,609,128.20-2,410,193.10-976,939.40

Finding the Fourth Proportional to 1,609,128.20, 2,410,193.10 and 976,939.40

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Solution

The fourth proportional to 1,609,128.20, 2,410,193.10 and 976,939.40 is: 1,463,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,128.20 : 2,410,193.10 = 976,939.40 : x
  2. Step 2: Convert to fraction form
    1,609,128.20/2,410,193.10 = 976,939.40/x
  3. Step 3: Cross multiply
    1,609,128.20x = 2,410,193.10 × 976,939.40
  4. Step 4: Simplify right side
    1,609,128.20x = 2,354,612,600,998.14
  5. Step 5: Solve for x
    x = 2,354,612,600,998.14/1,609,128.20
  6. Step 6: Final answer
    x = 1,463,284.65

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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.