Home / 1,616,142.64-2,230,235.84-890,973.60

Finding the Fourth Proportional to 1,616,142.64, 2,230,235.84 and 890,973.60

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Solution

The fourth proportional to 1,616,142.64, 2,230,235.84 and 890,973.60 is: 1,229,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,142.64 : 2,230,235.84 = 890,973.60 : x
  2. Step 2: Convert to fraction form
    1,616,142.64/2,230,235.84 = 890,973.60/x
  3. Step 3: Cross multiply
    1,616,142.64x = 2,230,235.84 × 890,973.60
  4. Step 4: Simplify right side
    1,616,142.64x = 1,987,081,255,213.82
  5. Step 5: Solve for x
    x = 1,987,081,255,213.82/1,616,142.64
  6. Step 6: Final answer
    x = 1,229,520.96

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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.