Home / 1,104,385.44-1,520,290.80-817,364.64

Finding the Fourth Proportional to 1,104,385.44, 1,520,290.80 and 817,364.64

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Solution

The fourth proportional to 1,104,385.44, 1,520,290.80 and 817,364.64 is: 1,125,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,385.44 : 1,520,290.80 = 817,364.64 : x
  2. Step 2: Convert to fraction form
    1,104,385.44/1,520,290.80 = 817,364.64/x
  3. Step 3: Cross multiply
    1,104,385.44x = 1,520,290.80 × 817,364.64
  4. Step 4: Simplify right side
    1,104,385.44x = 1,242,631,942,437.31
  5. Step 5: Solve for x
    x = 1,242,631,942,437.31/1,104,385.44
  6. Step 6: Final answer
    x = 1,125,179.58

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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.