Home / 1,991,592.70-2,987,384.46-853,617.03

Finding the Fourth Proportional to 1,991,592.70, 2,987,384.46 and 853,617.03

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Solution

The fourth proportional to 1,991,592.70, 2,987,384.46 and 853,617.03 is: 1,280,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,592.70 : 2,987,384.46 = 853,617.03 : x
  2. Step 2: Convert to fraction form
    1,991,592.70/2,987,384.46 = 853,617.03/x
  3. Step 3: Cross multiply
    1,991,592.70x = 2,987,384.46 × 853,617.03
  4. Step 4: Simplify right side
    1,991,592.70x = 2,550,082,250,213.35
  5. Step 5: Solve for x
    x = 2,550,082,250,213.35/1,991,592.70
  6. Step 6: Final answer
    x = 1,280,423.58

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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.