Home / 1,287,851.46-1,931,777.33-446,403.21

Finding the Fourth Proportional to 1,287,851.46, 1,931,777.33 and 446,403.21

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Solution

The fourth proportional to 1,287,851.46, 1,931,777.33 and 446,403.21 is: 669,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,851.46 : 1,931,777.33 = 446,403.21 : x
  2. Step 2: Convert to fraction form
    1,287,851.46/1,931,777.33 = 446,403.21/x
  3. Step 3: Cross multiply
    1,287,851.46x = 1,931,777.33 × 446,403.21
  4. Step 4: Simplify right side
    1,287,851.46x = 862,351,598,885.21
  5. Step 5: Solve for x
    x = 862,351,598,885.21/1,287,851.46
  6. Step 6: Final answer
    x = 669,604.86

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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.