Home / 1,379,344.70-2,069,314.83-419,875.32

Finding the Fourth Proportional to 1,379,344.70, 2,069,314.83 and 419,875.32

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Solution

The fourth proportional to 1,379,344.70, 2,069,314.83 and 419,875.32 is: 629,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,344.70 : 2,069,314.83 = 419,875.32 : x
  2. Step 2: Convert to fraction form
    1,379,344.70/2,069,314.83 = 419,875.32/x
  3. Step 3: Cross multiply
    1,379,344.70x = 2,069,314.83 × 419,875.32
  4. Step 4: Simplify right side
    1,379,344.70x = 868,854,226,427.00
  5. Step 5: Solve for x
    x = 868,854,226,427.00/1,379,344.70
  6. Step 6: Final answer
    x = 629,903.63

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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.