Home / 1,421,909.40-1,962,258.30-848,999.64

Finding the Fourth Proportional to 1,421,909.40, 1,962,258.30 and 848,999.64

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Solution

The fourth proportional to 1,421,909.40, 1,962,258.30 and 848,999.64 is: 1,171,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,909.40 : 1,962,258.30 = 848,999.64 : x
  2. Step 2: Convert to fraction form
    1,421,909.40/1,962,258.30 = 848,999.64/x
  3. Step 3: Cross multiply
    1,421,909.40x = 1,962,258.30 × 848,999.64
  4. Step 4: Simplify right side
    1,421,909.40x = 1,665,956,590,287.01
  5. Step 5: Solve for x
    x = 1,665,956,590,287.01/1,421,909.40
  6. Step 6: Final answer
    x = 1,171,633.43

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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.