Home / 1,456,310.54-2,009,710.74-811,716.90

Finding the Fourth Proportional to 1,456,310.54, 2,009,710.74 and 811,716.90

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Solution

The fourth proportional to 1,456,310.54, 2,009,710.74 and 811,716.90 is: 1,120,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,310.54 : 2,009,710.74 = 811,716.90 : x
  2. Step 2: Convert to fraction form
    1,456,310.54/2,009,710.74 = 811,716.90/x
  3. Step 3: Cross multiply
    1,456,310.54x = 2,009,710.74 × 811,716.90
  4. Step 4: Simplify right side
    1,456,310.54x = 1,631,316,167,277.03
  5. Step 5: Solve for x
    x = 1,631,316,167,277.03/1,456,310.54
  6. Step 6: Final answer
    x = 1,120,170.54

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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.