Home / 1,580,274.92-2,180,764.16-855,106.76

Finding the Fourth Proportional to 1,580,274.92, 2,180,764.16 and 855,106.76

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Solution

The fourth proportional to 1,580,274.92, 2,180,764.16 and 855,106.76 is: 1,180,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,274.92 : 2,180,764.16 = 855,106.76 : x
  2. Step 2: Convert to fraction form
    1,580,274.92/2,180,764.16 = 855,106.76/x
  3. Step 3: Cross multiply
    1,580,274.92x = 2,180,764.16 × 855,106.76
  4. Step 4: Simplify right side
    1,580,274.92x = 1,864,786,175,181.72
  5. Step 5: Solve for x
    x = 1,864,786,175,181.72/1,580,274.92
  6. Step 6: Final answer
    x = 1,180,039.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.