Home / 1,564,121.64-2,158,480.26-848,729.64

Finding the Fourth Proportional to 1,564,121.64, 2,158,480.26 and 848,729.64

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Solution

The fourth proportional to 1,564,121.64, 2,158,480.26 and 848,729.64 is: 1,171,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,121.64 : 2,158,480.26 = 848,729.64 : x
  2. Step 2: Convert to fraction form
    1,564,121.64/2,158,480.26 = 848,729.64/x
  3. Step 3: Cross multiply
    1,564,121.64x = 2,158,480.26 × 848,729.64
  4. Step 4: Simplify right side
    1,564,121.64x = 1,831,966,174,016.91
  5. Step 5: Solve for x
    x = 1,831,966,174,016.91/1,564,121.64
  6. Step 6: Final answer
    x = 1,171,242.78

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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.