Home / 1,485,875.16-2,229,132.78-461,184.12

Finding the Fourth Proportional to 1,485,875.16, 2,229,132.78 and 461,184.12

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Solution

The fourth proportional to 1,485,875.16, 2,229,132.78 and 461,184.12 is: 691,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,875.16 : 2,229,132.78 = 461,184.12 : x
  2. Step 2: Convert to fraction form
    1,485,875.16/2,229,132.78 = 461,184.12/x
  3. Step 3: Cross multiply
    1,485,875.16x = 2,229,132.78 × 461,184.12
  4. Step 4: Simplify right side
    1,485,875.16x = 1,028,040,639,507.45
  5. Step 5: Solve for x
    x = 1,028,040,639,507.45/1,485,875.16
  6. Step 6: Final answer
    x = 691,875.51

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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.