Home / 1,494,986.60-2,242,401.53-429,986.86

Finding the Fourth Proportional to 1,494,986.60, 2,242,401.53 and 429,986.86

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Solution

The fourth proportional to 1,494,986.60, 2,242,401.53 and 429,986.86 is: 644,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,986.60 : 2,242,401.53 = 429,986.86 : x
  2. Step 2: Convert to fraction form
    1,494,986.60/2,242,401.53 = 429,986.86/x
  3. Step 3: Cross multiply
    1,494,986.60x = 2,242,401.53 × 429,986.86
  4. Step 4: Simplify right side
    1,494,986.60x = 964,203,192,743.90
  5. Step 5: Solve for x
    x = 964,203,192,743.90/1,494,986.60
  6. Step 6: Final answer
    x = 644,957.75

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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.