Home / 1,591,702.65-2,388,538.26-645,081.57

Finding the Fourth Proportional to 1,591,702.65, 2,388,538.26 and 645,081.57

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Solution

The fourth proportional to 1,591,702.65, 2,388,538.26 and 645,081.57 is: 968,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,702.65 : 2,388,538.26 = 645,081.57 : x
  2. Step 2: Convert to fraction form
    1,591,702.65/2,388,538.26 = 645,081.57/x
  3. Step 3: Cross multiply
    1,591,702.65x = 2,388,538.26 × 645,081.57
  4. Step 4: Simplify right side
    1,591,702.65x = 1,540,802,010,765.87
  5. Step 5: Solve for x
    x = 1,540,802,010,765.87/1,591,702.65
  6. Step 6: Final answer
    x = 968,021.26

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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.