Home / 1,423,463.88-2,135,687.82-890,349.72

Finding the Fourth Proportional to 1,423,463.88, 2,135,687.82 and 890,349.72

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Solution

The fourth proportional to 1,423,463.88, 2,135,687.82 and 890,349.72 is: 1,335,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,463.88 : 2,135,687.82 = 890,349.72 : x
  2. Step 2: Convert to fraction form
    1,423,463.88/2,135,687.82 = 890,349.72/x
  3. Step 3: Cross multiply
    1,423,463.88x = 2,135,687.82 × 890,349.72
  4. Step 4: Simplify right side
    1,423,463.88x = 1,901,509,052,544.41
  5. Step 5: Solve for x
    x = 1,901,509,052,544.41/1,423,463.88
  6. Step 6: Final answer
    x = 1,335,832.32

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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.