Home / 1,342,161.54-1,852,182.90-738,549.54

Finding the Fourth Proportional to 1,342,161.54, 1,852,182.90 and 738,549.54

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Solution

The fourth proportional to 1,342,161.54, 1,852,182.90 and 738,549.54 is: 1,019,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,161.54 : 1,852,182.90 = 738,549.54 : x
  2. Step 2: Convert to fraction form
    1,342,161.54/1,852,182.90 = 738,549.54/x
  3. Step 3: Cross multiply
    1,342,161.54x = 1,852,182.90 × 738,549.54
  4. Step 4: Simplify right side
    1,342,161.54x = 1,367,928,828,790.87
  5. Step 5: Solve for x
    x = 1,367,928,828,790.87/1,342,161.54
  6. Step 6: Final answer
    x = 1,019,198.35

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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.