Home / 1,016,668.58-1,523,938.79-342,516.92

Finding the Fourth Proportional to 1,016,668.58, 1,523,938.79 and 342,516.92

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Solution

The fourth proportional to 1,016,668.58, 1,523,938.79 and 342,516.92 is: 513,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,668.58 : 1,523,938.79 = 342,516.92 : x
  2. Step 2: Convert to fraction form
    1,016,668.58/1,523,938.79 = 342,516.92/x
  3. Step 3: Cross multiply
    1,016,668.58x = 1,523,938.79 × 342,516.92
  4. Step 4: Simplify right side
    1,016,668.58x = 521,974,811,287.05
  5. Step 5: Solve for x
    x = 521,974,811,287.05/1,016,668.58
  6. Step 6: Final answer
    x = 513,416.88

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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.