Home / 1,055,172.17-1,456,138.89-571,736.94

Finding the Fourth Proportional to 1,055,172.17, 1,456,138.89 and 571,736.94

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Solution

The fourth proportional to 1,055,172.17, 1,456,138.89 and 571,736.94 is: 788,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,172.17 : 1,456,138.89 = 571,736.94 : x
  2. Step 2: Convert to fraction form
    1,055,172.17/1,456,138.89 = 571,736.94/x
  3. Step 3: Cross multiply
    1,055,172.17x = 1,456,138.89 × 571,736.94
  4. Step 4: Simplify right side
    1,055,172.17x = 832,528,393,183.60
  5. Step 5: Solve for x
    x = 832,528,393,183.60/1,055,172.17
  6. Step 6: Final answer
    x = 788,997.68

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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.