Home / 1,379,186.98-2,068,759.70-620,492.68

Finding the Fourth Proportional to 1,379,186.98, 2,068,759.70 and 620,492.68

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Solution

The fourth proportional to 1,379,186.98, 2,068,759.70 and 620,492.68 is: 930,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,186.98 : 2,068,759.70 = 620,492.68 : x
  2. Step 2: Convert to fraction form
    1,379,186.98/2,068,759.70 = 620,492.68/x
  3. Step 3: Cross multiply
    1,379,186.98x = 2,068,759.70 × 620,492.68
  4. Step 4: Simplify right side
    1,379,186.98x = 1,283,650,250,529.00
  5. Step 5: Solve for x
    x = 1,283,650,250,529.00/1,379,186.98
  6. Step 6: Final answer
    x = 930,729.68

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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.