Home / 1,379,183.52-1,902,830.22-835,145.40

Finding the Fourth Proportional to 1,379,183.52, 1,902,830.22 and 835,145.40

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Solution

The fourth proportional to 1,379,183.52, 1,902,830.22 and 835,145.40 is: 1,152,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,183.52 : 1,902,830.22 = 835,145.40 : x
  2. Step 2: Convert to fraction form
    1,379,183.52/1,902,830.22 = 835,145.40/x
  3. Step 3: Cross multiply
    1,379,183.52x = 1,902,830.22 × 835,145.40
  4. Step 4: Simplify right side
    1,379,183.52x = 1,589,139,905,213.99
  5. Step 5: Solve for x
    x = 1,589,139,905,213.99/1,379,183.52
  6. Step 6: Final answer
    x = 1,152,232.38

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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.