Home / 1,379,189.34-2,068,763.28-620,495.06

Finding the Fourth Proportional to 1,379,189.34, 2,068,763.28 and 620,495.06

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Solution

The fourth proportional to 1,379,189.34, 2,068,763.28 and 620,495.06 is: 930,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,189.34 : 2,068,763.28 = 620,495.06 : x
  2. Step 2: Convert to fraction form
    1,379,189.34/2,068,763.28 = 620,495.06/x
  3. Step 3: Cross multiply
    1,379,189.34x = 2,068,763.28 × 620,495.06
  4. Step 4: Simplify right side
    1,379,189.34x = 1,283,657,385,205.58
  5. Step 5: Solve for x
    x = 1,283,657,385,205.58/1,379,189.34
  6. Step 6: Final answer
    x = 930,733.26

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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.