Home / 1,342,290.94-1,852,361.76-738,678.94

Finding the Fourth Proportional to 1,342,290.94, 1,852,361.76 and 738,678.94

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Solution

The fourth proportional to 1,342,290.94, 1,852,361.76 and 738,678.94 is: 1,019,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,290.94 : 1,852,361.76 = 738,678.94 : x
  2. Step 2: Convert to fraction form
    1,342,290.94/1,852,361.76 = 738,678.94/x
  3. Step 3: Cross multiply
    1,342,290.94x = 1,852,361.76 × 738,678.94
  4. Step 4: Simplify right side
    1,342,290.94x = 1,368,300,621,373.33
  5. Step 5: Solve for x
    x = 1,368,300,621,373.33/1,342,290.94
  6. Step 6: Final answer
    x = 1,019,377.08

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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.