Home / 1,268,998.75-1,903,996.58-558,528.72

Finding the Fourth Proportional to 1,268,998.75, 1,903,996.58 and 558,528.72

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Solution

The fourth proportional to 1,268,998.75, 1,903,996.58 and 558,528.72 is: 838,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,998.75 : 1,903,996.58 = 558,528.72 : x
  2. Step 2: Convert to fraction form
    1,268,998.75/1,903,996.58 = 558,528.72/x
  3. Step 3: Cross multiply
    1,268,998.75x = 1,903,996.58 × 558,528.72
  4. Step 4: Simplify right side
    1,268,998.75x = 1,063,436,772,711.78
  5. Step 5: Solve for x
    x = 1,063,436,772,711.78/1,268,998.75
  6. Step 6: Final answer
    x = 838,012.47

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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.