Home / 1,273,348.38-1,909,814.94-374,579.92

Finding the Fourth Proportional to 1,273,348.38, 1,909,814.94 and 374,579.92

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Solution

The fourth proportional to 1,273,348.38, 1,909,814.94 and 374,579.92 is: 561,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,348.38 : 1,909,814.94 = 374,579.92 : x
  2. Step 2: Convert to fraction form
    1,273,348.38/1,909,814.94 = 374,579.92/x
  3. Step 3: Cross multiply
    1,273,348.38x = 1,909,814.94 × 374,579.92
  4. Step 4: Simplify right side
    1,273,348.38x = 715,378,327,440.01
  5. Step 5: Solve for x
    x = 715,378,327,440.01/1,273,348.38
  6. Step 6: Final answer
    x = 561,808.80

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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.