Home / 1,456,152.40-2,183,839.80-445,272.40

Finding the Fourth Proportional to 1,456,152.40, 2,183,839.80 and 445,272.40

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Solution

The fourth proportional to 1,456,152.40, 2,183,839.80 and 445,272.40 is: 667,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,152.40 : 2,183,839.80 = 445,272.40 : x
  2. Step 2: Convert to fraction form
    1,456,152.40/2,183,839.80 = 445,272.40/x
  3. Step 3: Cross multiply
    1,456,152.40x = 2,183,839.80 × 445,272.40
  4. Step 4: Simplify right side
    1,456,152.40x = 972,403,588,961.52
  5. Step 5: Solve for x
    x = 972,403,588,961.52/1,456,152.40
  6. Step 6: Final answer
    x = 667,789.71

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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.