Home / 1,342,297.80-1,852,371.27-738,685.80

Finding the Fourth Proportional to 1,342,297.80, 1,852,371.27 and 738,685.80

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Solution

The fourth proportional to 1,342,297.80, 1,852,371.27 and 738,685.80 is: 1,019,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,297.80 : 1,852,371.27 = 738,685.80 : x
  2. Step 2: Convert to fraction form
    1,342,297.80/1,852,371.27 = 738,685.80/x
  3. Step 3: Cross multiply
    1,342,297.80x = 1,852,371.27 × 738,685.80
  4. Step 4: Simplify right side
    1,342,297.80x = 1,368,320,353,476.97
  5. Step 5: Solve for x
    x = 1,368,320,353,476.97/1,342,297.80
  6. Step 6: Final answer
    x = 1,019,386.57

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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.