Home / 1,219,549.32-1,820,623.52-1,138,504.36

Finding the Fourth Proportional to 1,219,549.32, 1,820,623.52 and 1,138,504.36

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Solution

The fourth proportional to 1,219,549.32, 1,820,623.52 and 1,138,504.36 is: 1,699,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,549.32 : 1,820,623.52 = 1,138,504.36 : x
  2. Step 2: Convert to fraction form
    1,219,549.32/1,820,623.52 = 1,138,504.36/x
  3. Step 3: Cross multiply
    1,219,549.32x = 1,820,623.52 × 1,138,504.36
  4. Step 4: Simplify right side
    1,219,549.32x = 2,072,787,815,438.55
  5. Step 5: Solve for x
    x = 2,072,787,815,438.55/1,219,549.32
  6. Step 6: Final answer
    x = 1,699,634.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.