Home / 1,144,615.80-1,717,701.30-639,175.80

Finding the Fourth Proportional to 1,144,615.80, 1,717,701.30 and 639,175.80

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Solution

The fourth proportional to 1,144,615.80, 1,717,701.30 and 639,175.80 is: 959,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,615.80 : 1,717,701.30 = 639,175.80 : x
  2. Step 2: Convert to fraction form
    1,144,615.80/1,717,701.30 = 639,175.80/x
  3. Step 3: Cross multiply
    1,144,615.80x = 1,717,701.30 × 639,175.80
  4. Step 4: Simplify right side
    1,144,615.80x = 1,097,913,102,588.54
  5. Step 5: Solve for x
    x = 1,097,913,102,588.54/1,144,615.80
  6. Step 6: Final answer
    x = 959,197.93

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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.