Home / 1,564,113.64-2,158,469.22-848,721.64

Finding the Fourth Proportional to 1,564,113.64, 2,158,469.22 and 848,721.64

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Solution

The fourth proportional to 1,564,113.64, 2,158,469.22 and 848,721.64 is: 1,171,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,113.64 : 2,158,469.22 = 848,721.64 : x
  2. Step 2: Convert to fraction form
    1,564,113.64/2,158,469.22 = 848,721.64/x
  3. Step 3: Cross multiply
    1,564,113.64x = 2,158,469.22 × 848,721.64
  4. Step 4: Simplify right side
    1,564,113.64x = 1,831,939,536,287.92
  5. Step 5: Solve for x
    x = 1,831,939,536,287.92/1,564,113.64
  6. Step 6: Final answer
    x = 1,171,231.74

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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.