Home / 1,109,485.52-1,665,376.92-683,328.32

Finding the Fourth Proportional to 1,109,485.52, 1,665,376.92 and 683,328.32

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Solution

The fourth proportional to 1,109,485.52, 1,665,376.92 and 683,328.32 is: 1,025,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,485.52 : 1,665,376.92 = 683,328.32 : x
  2. Step 2: Convert to fraction form
    1,109,485.52/1,665,376.92 = 683,328.32/x
  3. Step 3: Cross multiply
    1,109,485.52x = 1,665,376.92 × 683,328.32
  4. Step 4: Simplify right side
    1,109,485.52x = 1,137,999,212,910.37
  5. Step 5: Solve for x
    x = 1,137,999,212,910.37/1,109,485.52
  6. Step 6: Final answer
    x = 1,025,699.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.