Home / 1,580,371.91-2,180,913.19-855,219.62

Finding the Fourth Proportional to 1,580,371.91, 2,180,913.19 and 855,219.62

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Solution

The fourth proportional to 1,580,371.91, 2,180,913.19 and 855,219.62 is: 1,180,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,371.91 : 2,180,913.19 = 855,219.62 : x
  2. Step 2: Convert to fraction form
    1,580,371.91/2,180,913.19 = 855,219.62/x
  3. Step 3: Cross multiply
    1,580,371.91x = 2,180,913.19 × 855,219.62
  4. Step 4: Simplify right side
    1,580,371.91x = 1,865,159,749,604.79
  5. Step 5: Solve for x
    x = 1,865,159,749,604.79/1,580,371.91
  6. Step 6: Final answer
    x = 1,180,203.05

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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.