Home / 1,677,406.59-2,515,752.68-479,010.78

Finding the Fourth Proportional to 1,677,406.59, 2,515,752.68 and 479,010.78

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Solution

The fourth proportional to 1,677,406.59, 2,515,752.68 and 479,010.78 is: 718,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,406.59 : 2,515,752.68 = 479,010.78 : x
  2. Step 2: Convert to fraction form
    1,677,406.59/2,515,752.68 = 479,010.78/x
  3. Step 3: Cross multiply
    1,677,406.59x = 2,515,752.68 × 479,010.78
  4. Step 4: Simplify right side
    1,677,406.59x = 1,205,072,651,138.84
  5. Step 5: Solve for x
    x = 1,205,072,651,138.84/1,677,406.59
  6. Step 6: Final answer
    x = 718,414.16

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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.