Home / 1,379,186.61-2,068,759.14-620,492.30

Finding the Fourth Proportional to 1,379,186.61, 2,068,759.14 and 620,492.30

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Solution

The fourth proportional to 1,379,186.61, 2,068,759.14 and 620,492.30 is: 930,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,186.61 : 2,068,759.14 = 620,492.30 : x
  2. Step 2: Convert to fraction form
    1,379,186.61/2,068,759.14 = 620,492.30/x
  3. Step 3: Cross multiply
    1,379,186.61x = 2,068,759.14 × 620,492.30
  4. Step 4: Simplify right side
    1,379,186.61x = 1,283,649,116,924.62
  5. Step 5: Solve for x
    x = 1,283,649,116,924.62/1,379,186.61
  6. Step 6: Final answer
    x = 930,729.10

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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.