Home / 1,580,364.18-2,180,902.57-855,211.90

Finding the Fourth Proportional to 1,580,364.18, 2,180,902.57 and 855,211.90

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Solution

The fourth proportional to 1,580,364.18, 2,180,902.57 and 855,211.90 is: 1,180,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,364.18 : 2,180,902.57 = 855,211.90 : x
  2. Step 2: Convert to fraction form
    1,580,364.18/2,180,902.57 = 855,211.90/x
  3. Step 3: Cross multiply
    1,580,364.18x = 2,180,902.57 × 855,211.90
  4. Step 4: Simplify right side
    1,580,364.18x = 1,865,133,834,399.73
  5. Step 5: Solve for x
    x = 1,865,133,834,399.73/1,580,364.18
  6. Step 6: Final answer
    x = 1,180,192.43

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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.