Home / 1,100,476.68-1,518,673.23-664,833.44

Finding the Fourth Proportional to 1,100,476.68, 1,518,673.23 and 664,833.44

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Solution

The fourth proportional to 1,100,476.68, 1,518,673.23 and 664,833.44 is: 917,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,476.68 : 1,518,673.23 = 664,833.44 : x
  2. Step 2: Convert to fraction form
    1,100,476.68/1,518,673.23 = 664,833.44/x
  3. Step 3: Cross multiply
    1,100,476.68x = 1,518,673.23 × 664,833.44
  4. Step 4: Simplify right side
    1,100,476.68x = 1,009,664,747,736.81
  5. Step 5: Solve for x
    x = 1,009,664,747,736.81/1,100,476.68
  6. Step 6: Final answer
    x = 917,479.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.