Home / 1,428,750.48-2,141,635.32-481,795.68

Finding the Fourth Proportional to 1,428,750.48, 2,141,635.32 and 481,795.68

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Solution

The fourth proportional to 1,428,750.48, 2,141,635.32 and 481,795.68 is: 722,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,750.48 : 2,141,635.32 = 481,795.68 : x
  2. Step 2: Convert to fraction form
    1,428,750.48/2,141,635.32 = 481,795.68/x
  3. Step 3: Cross multiply
    1,428,750.48x = 2,141,635.32 × 481,795.68
  4. Step 4: Simplify right side
    1,428,750.48x = 1,031,830,645,311.42
  5. Step 5: Solve for x
    x = 1,031,830,645,311.42/1,428,750.48
  6. Step 6: Final answer
    x = 722,190.94

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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.