Home / 1,102,458.38-1,521,435.79-754,328.98

Finding the Fourth Proportional to 1,102,458.38, 1,521,435.79 and 754,328.98

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Solution

The fourth proportional to 1,102,458.38, 1,521,435.79 and 754,328.98 is: 1,041,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,458.38 : 1,521,435.79 = 754,328.98 : x
  2. Step 2: Convert to fraction form
    1,102,458.38/1,521,435.79 = 754,328.98/x
  3. Step 3: Cross multiply
    1,102,458.38x = 1,521,435.79 × 754,328.98
  4. Step 4: Simplify right side
    1,102,458.38x = 1,147,663,104,745.52
  5. Step 5: Solve for x
    x = 1,147,663,104,745.52/1,102,458.38
  6. Step 6: Final answer
    x = 1,041,003.56

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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.