Home / 1,096,568.31-1,643,592.90-686,421.84

Finding the Fourth Proportional to 1,096,568.31, 1,643,592.90 and 686,421.84

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Solution

The fourth proportional to 1,096,568.31, 1,643,592.90 and 686,421.84 is: 1,028,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,568.31 : 1,643,592.90 = 686,421.84 : x
  2. Step 2: Convert to fraction form
    1,096,568.31/1,643,592.90 = 686,421.84/x
  3. Step 3: Cross multiply
    1,096,568.31x = 1,643,592.90 × 686,421.84
  4. Step 4: Simplify right side
    1,096,568.31x = 1,128,198,062,628.94
  5. Step 5: Solve for x
    x = 1,128,198,062,628.94/1,096,568.31
  6. Step 6: Final answer
    x = 1,028,844.31

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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.