Home / 1,190,825.16-1,643,346.60-646,960.82

Finding the Fourth Proportional to 1,190,825.16, 1,643,346.60 and 646,960.82

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Solution

The fourth proportional to 1,190,825.16, 1,643,346.60 and 646,960.82 is: 892,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,825.16 : 1,643,346.60 = 646,960.82 : x
  2. Step 2: Convert to fraction form
    1,190,825.16/1,643,346.60 = 646,960.82/x
  3. Step 3: Cross multiply
    1,190,825.16x = 1,643,346.60 × 646,960.82
  4. Step 4: Simplify right side
    1,190,825.16x = 1,063,180,863,880.21
  5. Step 5: Solve for x
    x = 1,063,180,863,880.21/1,190,825.16
  6. Step 6: Final answer
    x = 892,810.21

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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.