Home / 1,926,989.80-2,889,572.60-712,168

Finding the Fourth Proportional to 1,926,989.80, 2,889,572.60 and 712,168

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Solution

The fourth proportional to 1,926,989.80, 2,889,572.60 and 712,168 is: 1,067,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,989.80 : 2,889,572.60 = 712,168 : x
  2. Step 2: Convert to fraction form
    1,926,989.80/2,889,572.60 = 712,168/x
  3. Step 3: Cross multiply
    1,926,989.80x = 2,889,572.60 × 712,168
  4. Step 4: Simplify right side
    1,926,989.80x = 2,057,861,139,396.80
  5. Step 5: Solve for x
    x = 2,057,861,139,396.80/1,926,989.80
  6. Step 6: Final answer
    x = 1,067,914.91

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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.