Home / 1,211,511.16-1,670,751.42-957,469.24

Finding the Fourth Proportional to 1,211,511.16, 1,670,751.42 and 957,469.24

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Solution

The fourth proportional to 1,211,511.16, 1,670,751.42 and 957,469.24 is: 1,320,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,511.16 : 1,670,751.42 = 957,469.24 : x
  2. Step 2: Convert to fraction form
    1,211,511.16/1,670,751.42 = 957,469.24/x
  3. Step 3: Cross multiply
    1,211,511.16x = 1,670,751.42 × 957,469.24
  4. Step 4: Simplify right side
    1,211,511.16x = 1,599,693,092,336.32
  5. Step 5: Solve for x
    x = 1,599,693,092,336.32/1,211,511.16
  6. Step 6: Final answer
    x = 1,320,411.35

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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.