Home / 1,309,395.73-1,964,573.36-551,428.00

Finding the Fourth Proportional to 1,309,395.73, 1,964,573.36 and 551,428.00

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Solution

The fourth proportional to 1,309,395.73, 1,964,573.36 and 551,428.00 is: 827,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,395.73 : 1,964,573.36 = 551,428.00 : x
  2. Step 2: Convert to fraction form
    1,309,395.73/1,964,573.36 = 551,428.00/x
  3. Step 3: Cross multiply
    1,309,395.73x = 1,964,573.36 × 551,428.00
  4. Step 4: Simplify right side
    1,309,395.73x = 1,083,320,746,178.07
  5. Step 5: Solve for x
    x = 1,083,320,746,178.07/1,309,395.73
  6. Step 6: Final answer
    x = 827,344.04

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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.