Home / 1,171,533.06-1,755,293.40-639,427.50

Finding the Fourth Proportional to 1,171,533.06, 1,755,293.40 and 639,427.50

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Solution

The fourth proportional to 1,171,533.06, 1,755,293.40 and 639,427.50 is: 958,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,533.06 : 1,755,293.40 = 639,427.50 : x
  2. Step 2: Convert to fraction form
    1,171,533.06/1,755,293.40 = 639,427.50/x
  3. Step 3: Cross multiply
    1,171,533.06x = 1,755,293.40 × 639,427.50
  4. Step 4: Simplify right side
    1,171,533.06x = 1,122,382,870,528.50
  5. Step 5: Solve for x
    x = 1,122,382,870,528.50/1,171,533.06
  6. Step 6: Final answer
    x = 958,046.26

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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.