Home / 1,235,059.50-1,704,382.11-669,811.50

Finding the Fourth Proportional to 1,235,059.50, 1,704,382.11 and 669,811.50

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Solution

The fourth proportional to 1,235,059.50, 1,704,382.11 and 669,811.50 is: 924,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,059.50 : 1,704,382.11 = 669,811.50 : x
  2. Step 2: Convert to fraction form
    1,235,059.50/1,704,382.11 = 669,811.50/x
  3. Step 3: Cross multiply
    1,235,059.50x = 1,704,382.11 × 669,811.50
  4. Step 4: Simplify right side
    1,235,059.50x = 1,141,614,737,672.27
  5. Step 5: Solve for x
    x = 1,141,614,737,672.27/1,235,059.50
  6. Step 6: Final answer
    x = 924,339.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.