Home / 1,456,906.64-2,010,428.52-812,299.28

Finding the Fourth Proportional to 1,456,906.64, 2,010,428.52 and 812,299.28

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Solution

The fourth proportional to 1,456,906.64, 2,010,428.52 and 812,299.28 is: 1,120,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,906.64 : 2,010,428.52 = 812,299.28 : x
  2. Step 2: Convert to fraction form
    1,456,906.64/2,010,428.52 = 812,299.28/x
  3. Step 3: Cross multiply
    1,456,906.64x = 2,010,428.52 × 812,299.28
  4. Step 4: Simplify right side
    1,456,906.64x = 1,633,069,639,287.47
  5. Step 5: Solve for x
    x = 1,633,069,639,287.47/1,456,906.64
  6. Step 6: Final answer
    x = 1,120,915.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.