Home / 1,433,197.89-1,977,753.78-779,826.60

Finding the Fourth Proportional to 1,433,197.89, 1,977,753.78 and 779,826.60

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Solution

The fourth proportional to 1,433,197.89, 1,977,753.78 and 779,826.60 is: 1,076,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,197.89 : 1,977,753.78 = 779,826.60 : x
  2. Step 2: Convert to fraction form
    1,433,197.89/1,977,753.78 = 779,826.60/x
  3. Step 3: Cross multiply
    1,433,197.89x = 1,977,753.78 × 779,826.60
  4. Step 4: Simplify right side
    1,433,197.89x = 1,542,305,005,894.55
  5. Step 5: Solve for x
    x = 1,542,305,005,894.55/1,433,197.89
  6. Step 6: Final answer
    x = 1,076,128.44

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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.