Home / 1,433,936.64-1,977,727.28-890,394.24

Finding the Fourth Proportional to 1,433,936.64, 1,977,727.28 and 890,394.24

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Solution

The fourth proportional to 1,433,936.64, 1,977,727.28 and 890,394.24 is: 1,228,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,936.64 : 1,977,727.28 = 890,394.24 : x
  2. Step 2: Convert to fraction form
    1,433,936.64/1,977,727.28 = 890,394.24/x
  3. Step 3: Cross multiply
    1,433,936.64x = 1,977,727.28 × 890,394.24
  4. Step 4: Simplify right side
    1,433,936.64x = 1,760,956,978,402.87
  5. Step 5: Solve for x
    x = 1,760,956,978,402.87/1,433,936.64
  6. Step 6: Final answer
    x = 1,228,057.73

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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.