Home / 1,676,557.50-2,515,072.77-538,938.42

Finding the Fourth Proportional to 1,676,557.50, 2,515,072.77 and 538,938.42

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Solution

The fourth proportional to 1,676,557.50, 2,515,072.77 and 538,938.42 is: 808,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,557.50 : 2,515,072.77 = 538,938.42 : x
  2. Step 2: Convert to fraction form
    1,676,557.50/2,515,072.77 = 538,938.42/x
  3. Step 3: Cross multiply
    1,676,557.50x = 2,515,072.77 × 538,938.42
  4. Step 4: Simplify right side
    1,676,557.50x = 1,355,469,344,848.82
  5. Step 5: Solve for x
    x = 1,355,469,344,848.82/1,676,557.50
  6. Step 6: Final answer
    x = 808,483.66

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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.