Home / 1,440,299.79-2,160,559.96-429,344.46

Finding the Fourth Proportional to 1,440,299.79, 2,160,559.96 and 429,344.46

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Solution

The fourth proportional to 1,440,299.79, 2,160,559.96 and 429,344.46 is: 644,049.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,299.79 : 2,160,559.96 = 429,344.46 : x
  2. Step 2: Convert to fraction form
    1,440,299.79/2,160,559.96 = 429,344.46/x
  3. Step 3: Cross multiply
    1,440,299.79x = 2,160,559.96 × 429,344.46
  4. Step 4: Simplify right side
    1,440,299.79x = 927,624,448,250.46
  5. Step 5: Solve for x
    x = 927,624,448,250.46/1,440,299.79
  6. Step 6: Final answer
    x = 644,049.56

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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.