Home / 1,095,104.90-1,643,078.04-771,203.85

Finding the Fourth Proportional to 1,095,104.90, 1,643,078.04 and 771,203.85

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Solution

The fourth proportional to 1,095,104.90, 1,643,078.04 and 771,203.85 is: 1,157,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,104.90 : 1,643,078.04 = 771,203.85 : x
  2. Step 2: Convert to fraction form
    1,095,104.90/1,643,078.04 = 771,203.85/x
  3. Step 3: Cross multiply
    1,095,104.90x = 1,643,078.04 × 771,203.85
  4. Step 4: Simplify right side
    1,095,104.90x = 1,267,148,107,406.44
  5. Step 5: Solve for x
    x = 1,267,148,107,406.44/1,095,104.90
  6. Step 6: Final answer
    x = 1,157,102.04

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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.