Home / 1,662,005.80-2,493,008.70-1,028,866.60

Finding the Fourth Proportional to 1,662,005.80, 2,493,008.70 and 1,028,866.60

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Solution

The fourth proportional to 1,662,005.80, 2,493,008.70 and 1,028,866.60 is: 1,543,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,005.80 : 2,493,008.70 = 1,028,866.60 : x
  2. Step 2: Convert to fraction form
    1,662,005.80/2,493,008.70 = 1,028,866.60/x
  3. Step 3: Cross multiply
    1,662,005.80x = 2,493,008.70 × 1,028,866.60
  4. Step 4: Simplify right side
    1,662,005.80x = 2,564,973,384,939.42
  5. Step 5: Solve for x
    x = 2,564,973,384,939.42/1,662,005.80
  6. Step 6: Final answer
    x = 1,543,299.90

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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.