Home / 672,503.08-1,008,648.90-186,070.54

Finding the Fourth Proportional to 672,503.08, 1,008,648.90 and 186,070.54

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Solution

The fourth proportional to 672,503.08, 1,008,648.90 and 186,070.54 is: 279,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,503.08 : 1,008,648.90 = 186,070.54 : x
  2. Step 2: Convert to fraction form
    672,503.08/1,008,648.90 = 186,070.54/x
  3. Step 3: Cross multiply
    672,503.08x = 1,008,648.90 × 186,070.54
  4. Step 4: Simplify right side
    672,503.08x = 187,679,845,493.41
  5. Step 5: Solve for x
    x = 187,679,845,493.41/672,503.08
  6. Step 6: Final answer
    x = 279,076.56

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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.