Home / 1,106,966.79-1,660,975.07-658,573.47

Finding the Fourth Proportional to 1,106,966.79, 1,660,975.07 and 658,573.47

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Solution

The fourth proportional to 1,106,966.79, 1,660,975.07 and 658,573.47 is: 988,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,966.79 : 1,660,975.07 = 658,573.47 : x
  2. Step 2: Convert to fraction form
    1,106,966.79/1,660,975.07 = 658,573.47/x
  3. Step 3: Cross multiply
    1,106,966.79x = 1,660,975.07 × 658,573.47
  4. Step 4: Simplify right side
    1,106,966.79x = 1,093,874,112,140.53
  5. Step 5: Solve for x
    x = 1,093,874,112,140.53/1,106,966.79
  6. Step 6: Final answer
    x = 988,172.47

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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.