Home / 1,560,269.80-2,340,404.70-919,916.20

Finding the Fourth Proportional to 1,560,269.80, 2,340,404.70 and 919,916.20

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Solution

The fourth proportional to 1,560,269.80, 2,340,404.70 and 919,916.20 is: 1,379,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,269.80 : 2,340,404.70 = 919,916.20 : x
  2. Step 2: Convert to fraction form
    1,560,269.80/2,340,404.70 = 919,916.20/x
  3. Step 3: Cross multiply
    1,560,269.80x = 2,340,404.70 × 919,916.20
  4. Step 4: Simplify right side
    1,560,269.80x = 2,152,976,198,086.14
  5. Step 5: Solve for x
    x = 2,152,976,198,086.14/1,560,269.80
  6. Step 6: Final answer
    x = 1,379,874.30

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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.