Home / 1,190,725.83-1,643,195.08-646,857.27

Finding the Fourth Proportional to 1,190,725.83, 1,643,195.08 and 646,857.27

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Solution

The fourth proportional to 1,190,725.83, 1,643,195.08 and 646,857.27 is: 892,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,725.83 : 1,643,195.08 = 646,857.27 : x
  2. Step 2: Convert to fraction form
    1,190,725.83/1,643,195.08 = 646,857.27/x
  3. Step 3: Cross multiply
    1,190,725.83x = 1,643,195.08 × 646,857.27
  4. Step 4: Simplify right side
    1,190,725.83x = 1,062,912,683,526.23
  5. Step 5: Solve for x
    x = 1,062,912,683,526.23/1,190,725.83
  6. Step 6: Final answer
    x = 892,659.47

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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.