Home / 1,620,022.68-2,431,504.71-862,496.91

Finding the Fourth Proportional to 1,620,022.68, 2,431,504.71 and 862,496.91

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Solution

The fourth proportional to 1,620,022.68, 2,431,504.71 and 862,496.91 is: 1,294,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,022.68 : 2,431,504.71 = 862,496.91 : x
  2. Step 2: Convert to fraction form
    1,620,022.68/2,431,504.71 = 862,496.91/x
  3. Step 3: Cross multiply
    1,620,022.68x = 2,431,504.71 × 862,496.91
  4. Step 4: Simplify right side
    1,620,022.68x = 2,097,165,299,025.45
  5. Step 5: Solve for x
    x = 2,097,165,299,025.45/1,620,022.68
  6. Step 6: Final answer
    x = 1,294,528.36

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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.