Home / 994,037.70-1,491,056.55-689,607.30

Finding the Fourth Proportional to 994,037.70, 1,491,056.55 and 689,607.30

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Solution

The fourth proportional to 994,037.70, 1,491,056.55 and 689,607.30 is: 1,034,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,037.70 : 1,491,056.55 = 689,607.30 : x
  2. Step 2: Convert to fraction form
    994,037.70/1,491,056.55 = 689,607.30/x
  3. Step 3: Cross multiply
    994,037.70x = 1,491,056.55 × 689,607.30
  4. Step 4: Simplify right side
    994,037.70x = 1,028,243,481,592.82
  5. Step 5: Solve for x
    x = 1,028,243,481,592.82/994,037.70
  6. Step 6: Final answer
    x = 1,034,410.95

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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.