Home / 1,054,395.40-1,577,906.70-965,921.80

Finding the Fourth Proportional to 1,054,395.40, 1,577,906.70 and 965,921.80

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Solution

The fourth proportional to 1,054,395.40, 1,577,906.70 and 965,921.80 is: 1,445,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,395.40 : 1,577,906.70 = 965,921.80 : x
  2. Step 2: Convert to fraction form
    1,054,395.40/1,577,906.70 = 965,921.80/x
  3. Step 3: Cross multiply
    1,054,395.40x = 1,577,906.70 × 965,921.80
  4. Step 4: Simplify right side
    1,054,395.40x = 1,524,134,479,896.06
  5. Step 5: Solve for x
    x = 1,524,134,479,896.06/1,054,395.40
  6. Step 6: Final answer
    x = 1,445,505.62

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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.