Home / 670,861.51-1,006,087.43-191,128.48

Finding the Fourth Proportional to 670,861.51, 1,006,087.43 and 191,128.48

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Solution

The fourth proportional to 670,861.51, 1,006,087.43 and 191,128.48 is: 286,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,861.51 : 1,006,087.43 = 191,128.48 : x
  2. Step 2: Convert to fraction form
    670,861.51/1,006,087.43 = 191,128.48/x
  3. Step 3: Cross multiply
    670,861.51x = 1,006,087.43 × 191,128.48
  4. Step 4: Simplify right side
    670,861.51x = 192,291,959,205.61
  5. Step 5: Solve for x
    x = 192,291,959,205.61/670,861.51
  6. Step 6: Final answer
    x = 286,634.36

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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.