Home / 1,342,265.78-1,852,327.09-738,653.78

Finding the Fourth Proportional to 1,342,265.78, 1,852,327.09 and 738,653.78

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Solution

The fourth proportional to 1,342,265.78, 1,852,327.09 and 738,653.78 is: 1,019,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,265.78 : 1,852,327.09 = 738,653.78 : x
  2. Step 2: Convert to fraction form
    1,342,265.78/1,852,327.09 = 738,653.78/x
  3. Step 3: Cross multiply
    1,342,265.78x = 1,852,327.09 × 738,653.78
  4. Step 4: Simplify right side
    1,342,265.78x = 1,368,228,406,824.90
  5. Step 5: Solve for x
    x = 1,368,228,406,824.90/1,342,265.78
  6. Step 6: Final answer
    x = 1,019,342.39

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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.