Home / 1,616,113.42-2,230,228.49-890,958.89

Finding the Fourth Proportional to 1,616,113.42, 2,230,228.49 and 890,958.89

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Solution

The fourth proportional to 1,616,113.42, 2,230,228.49 and 890,958.89 is: 1,229,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,113.42 : 2,230,228.49 = 890,958.89 : x
  2. Step 2: Convert to fraction form
    1,616,113.42/2,230,228.49 = 890,958.89/x
  3. Step 3: Cross multiply
    1,616,113.42x = 2,230,228.49 × 890,958.89
  4. Step 4: Simplify right side
    1,616,113.42x = 1,987,041,901,017.55
  5. Step 5: Solve for x
    x = 1,987,041,901,017.55/1,616,113.42
  6. Step 6: Final answer
    x = 1,229,518.84

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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.