Home / 1,449,222.95-2,174,175.81-438,353.28

Finding the Fourth Proportional to 1,449,222.95, 2,174,175.81 and 438,353.28

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Solution

The fourth proportional to 1,449,222.95, 2,174,175.81 and 438,353.28 is: 657,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,222.95 : 2,174,175.81 = 438,353.28 : x
  2. Step 2: Convert to fraction form
    1,449,222.95/2,174,175.81 = 438,353.28/x
  3. Step 3: Cross multiply
    1,449,222.95x = 2,174,175.81 × 438,353.28
  4. Step 4: Simplify right side
    1,449,222.95x = 953,057,099,742.89
  5. Step 5: Solve for x
    x = 953,057,099,742.89/1,449,222.95
  6. Step 6: Final answer
    x = 657,633.18

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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.