Home / 1,367,558.89-2,051,364.72-420,928.63

Finding the Fourth Proportional to 1,367,558.89, 2,051,364.72 and 420,928.63

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Solution

The fourth proportional to 1,367,558.89, 2,051,364.72 and 420,928.63 is: 631,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,558.89 : 2,051,364.72 = 420,928.63 : x
  2. Step 2: Convert to fraction form
    1,367,558.89/2,051,364.72 = 420,928.63/x
  3. Step 3: Cross multiply
    1,367,558.89x = 2,051,364.72 × 420,928.63
  4. Step 4: Simplify right side
    1,367,558.89x = 863,478,141,219.93
  5. Step 5: Solve for x
    x = 863,478,141,219.93/1,367,558.89
  6. Step 6: Final answer
    x = 631,401.07

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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.