Home / 1,025,564.94-1,538,493.21-315,652.14

Finding the Fourth Proportional to 1,025,564.94, 1,538,493.21 and 315,652.14

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Solution

The fourth proportional to 1,025,564.94, 1,538,493.21 and 315,652.14 is: 473,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,564.94 : 1,538,493.21 = 315,652.14 : x
  2. Step 2: Convert to fraction form
    1,025,564.94/1,538,493.21 = 315,652.14/x
  3. Step 3: Cross multiply
    1,025,564.94x = 1,538,493.21 × 315,652.14
  4. Step 4: Simplify right side
    1,025,564.94x = 485,628,674,111.97
  5. Step 5: Solve for x
    x = 485,628,674,111.97/1,025,564.94
  6. Step 6: Final answer
    x = 473,523.08

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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.