Home / 1,110,905.40-1,666,358.10-269,455.80

Finding the Fourth Proportional to 1,110,905.40, 1,666,358.10 and 269,455.80

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Solution

The fourth proportional to 1,110,905.40, 1,666,358.10 and 269,455.80 is: 404,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,905.40 : 1,666,358.10 = 269,455.80 : x
  2. Step 2: Convert to fraction form
    1,110,905.40/1,666,358.10 = 269,455.80/x
  3. Step 3: Cross multiply
    1,110,905.40x = 1,666,358.10 × 269,455.80
  4. Step 4: Simplify right side
    1,110,905.40x = 449,009,854,921.98
  5. Step 5: Solve for x
    x = 449,009,854,921.98/1,110,905.40
  6. Step 6: Final answer
    x = 404,183.70

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1.5x scale

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.