Home / 1,367,430.96-2,051,340.80-420,880.56

Finding the Fourth Proportional to 1,367,430.96, 2,051,340.80 and 420,880.56

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Solution

The fourth proportional to 1,367,430.96, 2,051,340.80 and 420,880.56 is: 631,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,430.96 : 2,051,340.80 = 420,880.56 : x
  2. Step 2: Convert to fraction form
    1,367,430.96/2,051,340.80 = 420,880.56/x
  3. Step 3: Cross multiply
    1,367,430.96x = 2,051,340.80 × 420,880.56
  4. Step 4: Simplify right side
    1,367,430.96x = 863,369,464,654.85
  5. Step 5: Solve for x
    x = 863,369,464,654.85/1,367,430.96
  6. Step 6: Final answer
    x = 631,380.66

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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.