Home / 1,677,411.12-2,515,759.38-479,015.28

Finding the Fourth Proportional to 1,677,411.12, 2,515,759.38 and 479,015.28

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Solution

The fourth proportional to 1,677,411.12, 2,515,759.38 and 479,015.28 is: 718,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,411.12 : 2,515,759.38 = 479,015.28 : x
  2. Step 2: Convert to fraction form
    1,677,411.12/2,515,759.38 = 479,015.28/x
  3. Step 3: Cross multiply
    1,677,411.12x = 2,515,759.38 × 479,015.28
  4. Step 4: Simplify right side
    1,677,411.12x = 1,205,087,183,823.33
  5. Step 5: Solve for x
    x = 1,205,087,183,823.33/1,677,411.12
  6. Step 6: Final answer
    x = 718,420.89

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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.