Home / 1,123,942.40-1,685,913.60-365,855.30

Finding the Fourth Proportional to 1,123,942.40, 1,685,913.60 and 365,855.30

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Solution

The fourth proportional to 1,123,942.40, 1,685,913.60 and 365,855.30 is: 548,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,942.40 : 1,685,913.60 = 365,855.30 : x
  2. Step 2: Convert to fraction form
    1,123,942.40/1,685,913.60 = 365,855.30/x
  3. Step 3: Cross multiply
    1,123,942.40x = 1,685,913.60 × 365,855.30
  4. Step 4: Simplify right side
    1,123,942.40x = 616,800,425,902.08
  5. Step 5: Solve for x
    x = 616,800,425,902.08/1,123,942.40
  6. Step 6: Final answer
    x = 548,782.95

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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.