Home / 850,846.40-1,276,269.60-829,851.20

Finding the Fourth Proportional to 850,846.40, 1,276,269.60 and 829,851.20

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Solution

The fourth proportional to 850,846.40, 1,276,269.60 and 829,851.20 is: 1,244,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,846.40 : 1,276,269.60 = 829,851.20 : x
  2. Step 2: Convert to fraction form
    850,846.40/1,276,269.60 = 829,851.20/x
  3. Step 3: Cross multiply
    850,846.40x = 1,276,269.60 × 829,851.20
  4. Step 4: Simplify right side
    850,846.40x = 1,059,113,859,083.52
  5. Step 5: Solve for x
    x = 1,059,113,859,083.52/850,846.40
  6. Step 6: Final answer
    x = 1,244,776.80

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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.