Home / 1,775,313.20-2,661,220.20-876,893.60

Finding the Fourth Proportional to 1,775,313.20, 2,661,220.20 and 876,893.60

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Solution

The fourth proportional to 1,775,313.20, 2,661,220.20 and 876,893.60 is: 1,314,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,313.20 : 2,661,220.20 = 876,893.60 : x
  2. Step 2: Convert to fraction form
    1,775,313.20/2,661,220.20 = 876,893.60/x
  3. Step 3: Cross multiply
    1,775,313.20x = 2,661,220.20 × 876,893.60
  4. Step 4: Simplify right side
    1,775,313.20x = 2,333,606,961,570.72
  5. Step 5: Solve for x
    x = 2,333,606,961,570.72/1,775,313.20
  6. Step 6: Final answer
    x = 1,314,476.21

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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.