Home / 1,433,245.98-1,977,819.69-779,874.54

Finding the Fourth Proportional to 1,433,245.98, 1,977,819.69 and 779,874.54

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Solution

The fourth proportional to 1,433,245.98, 1,977,819.69 and 779,874.54 is: 1,076,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,245.98 : 1,977,819.69 = 779,874.54 : x
  2. Step 2: Convert to fraction form
    1,433,245.98/1,977,819.69 = 779,874.54/x
  3. Step 3: Cross multiply
    1,433,245.98x = 1,977,819.69 × 779,874.54
  4. Step 4: Simplify right side
    1,433,245.98x = 1,542,451,220,941.69
  5. Step 5: Solve for x
    x = 1,542,451,220,941.69/1,433,245.98
  6. Step 6: Final answer
    x = 1,076,194.35

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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.