Home / 1,273,393.92-1,909,433.64-374,718.96

Finding the Fourth Proportional to 1,273,393.92, 1,909,433.64 and 374,718.96

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Solution

The fourth proportional to 1,273,393.92, 1,909,433.64 and 374,718.96 is: 561,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,393.92 : 1,909,433.64 = 374,718.96 : x
  2. Step 2: Convert to fraction form
    1,273,393.92/1,909,433.64 = 374,718.96/x
  3. Step 3: Cross multiply
    1,273,393.92x = 1,909,433.64 × 374,718.96
  4. Step 4: Simplify right side
    1,273,393.92x = 715,500,987,769.82
  5. Step 5: Solve for x
    x = 715,500,987,769.82/1,273,393.92
  6. Step 6: Final answer
    x = 561,885.04

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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.