Home / 1,022,886.60-1,534,274.26-312,914.64

Finding the Fourth Proportional to 1,022,886.60, 1,534,274.26 and 312,914.64

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Solution

The fourth proportional to 1,022,886.60, 1,534,274.26 and 312,914.64 is: 469,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,886.60 : 1,534,274.26 = 312,914.64 : x
  2. Step 2: Convert to fraction form
    1,022,886.60/1,534,274.26 = 312,914.64/x
  3. Step 3: Cross multiply
    1,022,886.60x = 1,534,274.26 × 312,914.64
  4. Step 4: Simplify right side
    1,022,886.60x = 480,096,877,729.17
  5. Step 5: Solve for x
    x = 480,096,877,729.17/1,022,886.60
  6. Step 6: Final answer
    x = 469,354.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.