Home / 1,342,290.69-1,852,361.42-738,678.69

Finding the Fourth Proportional to 1,342,290.69, 1,852,361.42 and 738,678.69

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Solution

The fourth proportional to 1,342,290.69, 1,852,361.42 and 738,678.69 is: 1,019,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,290.69 : 1,852,361.42 = 738,678.69 : x
  2. Step 2: Convert to fraction form
    1,342,290.69/1,852,361.42 = 738,678.69/x
  3. Step 3: Cross multiply
    1,342,290.69x = 1,852,361.42 × 738,678.69
  4. Step 4: Simplify right side
    1,342,290.69x = 1,368,299,903,438.75
  5. Step 5: Solve for x
    x = 1,368,299,903,438.75/1,342,290.69
  6. Step 6: Final answer
    x = 1,019,376.74

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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.