Home / 1,222,757.70-1,834,136.55-1,108,596.30

Finding the Fourth Proportional to 1,222,757.70, 1,834,136.55 and 1,108,596.30

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Solution

The fourth proportional to 1,222,757.70, 1,834,136.55 and 1,108,596.30 is: 1,662,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,757.70 : 1,834,136.55 = 1,108,596.30 : x
  2. Step 2: Convert to fraction form
    1,222,757.70/1,834,136.55 = 1,108,596.30/x
  3. Step 3: Cross multiply
    1,222,757.70x = 1,834,136.55 × 1,108,596.30
  4. Step 4: Simplify right side
    1,222,757.70x = 2,033,316,993,024.77
  5. Step 5: Solve for x
    x = 2,033,316,993,024.77/1,222,757.70
  6. Step 6: Final answer
    x = 1,662,894.45

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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.