Home / 1,175,701.50-1,622,481.03-639,157.50

Finding the Fourth Proportional to 1,175,701.50, 1,622,481.03 and 639,157.50

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Solution

The fourth proportional to 1,175,701.50, 1,622,481.03 and 639,157.50 is: 882,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,701.50 : 1,622,481.03 = 639,157.50 : x
  2. Step 2: Convert to fraction form
    1,175,701.50/1,622,481.03 = 639,157.50/x
  3. Step 3: Cross multiply
    1,175,701.50x = 1,622,481.03 × 639,157.50
  4. Step 4: Simplify right side
    1,175,701.50x = 1,037,020,918,932.23
  5. Step 5: Solve for x
    x = 1,037,020,918,932.23/1,175,701.50
  6. Step 6: Final answer
    x = 882,044.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.