Home / 1,580,373.94-2,180,916.04-855,221.66

Finding the Fourth Proportional to 1,580,373.94, 2,180,916.04 and 855,221.66

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Solution

The fourth proportional to 1,580,373.94, 2,180,916.04 and 855,221.66 is: 1,180,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,373.94 : 2,180,916.04 = 855,221.66 : x
  2. Step 2: Convert to fraction form
    1,580,373.94/2,180,916.04 = 855,221.66/x
  3. Step 3: Cross multiply
    1,580,373.94x = 2,180,916.04 × 855,221.66
  4. Step 4: Simplify right side
    1,580,373.94x = 1,865,166,636,049.43
  5. Step 5: Solve for x
    x = 1,865,166,636,049.43/1,580,373.94
  6. Step 6: Final answer
    x = 1,180,205.89

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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.