Home / 1,661,000.40-2,491,500.60-903,204.90

Finding the Fourth Proportional to 1,661,000.40, 2,491,500.60 and 903,204.90

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Solution

The fourth proportional to 1,661,000.40, 2,491,500.60 and 903,204.90 is: 1,354,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,000.40 : 2,491,500.60 = 903,204.90 : x
  2. Step 2: Convert to fraction form
    1,661,000.40/2,491,500.60 = 903,204.90/x
  3. Step 3: Cross multiply
    1,661,000.40x = 2,491,500.60 × 903,204.90
  4. Step 4: Simplify right side
    1,661,000.40x = 2,250,335,550,272.94
  5. Step 5: Solve for x
    x = 2,250,335,550,272.94/1,661,000.40
  6. Step 6: Final answer
    x = 1,354,807.35

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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.