Home / 1,079,517.51-1,487,760.62-716,300.55

Finding the Fourth Proportional to 1,079,517.51, 1,487,760.62 and 716,300.55

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Solution

The fourth proportional to 1,079,517.51, 1,487,760.62 and 716,300.55 is: 987,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,517.51 : 1,487,760.62 = 716,300.55 : x
  2. Step 2: Convert to fraction form
    1,079,517.51/1,487,760.62 = 716,300.55/x
  3. Step 3: Cross multiply
    1,079,517.51x = 1,487,760.62 × 716,300.55
  4. Step 4: Simplify right side
    1,079,517.51x = 1,065,683,746,792.84
  5. Step 5: Solve for x
    x = 1,065,683,746,792.84/1,079,517.51
  6. Step 6: Final answer
    x = 987,185.23

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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.