Home / 1,665,476.28-2,498,220.90-403,305.12

Finding the Fourth Proportional to 1,665,476.28, 2,498,220.90 and 403,305.12

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Solution

The fourth proportional to 1,665,476.28, 2,498,220.90 and 403,305.12 is: 604,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,476.28 : 2,498,220.90 = 403,305.12 : x
  2. Step 2: Convert to fraction form
    1,665,476.28/2,498,220.90 = 403,305.12/x
  3. Step 3: Cross multiply
    1,665,476.28x = 2,498,220.90 × 403,305.12
  4. Step 4: Simplify right side
    1,665,476.28x = 1,007,545,279,861.01
  5. Step 5: Solve for x
    x = 1,007,545,279,861.01/1,665,476.28
  6. Step 6: Final answer
    x = 604,959.25

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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.