Home / 1,800,490.75-2,697,737.47-1,266,890.76

Finding the Fourth Proportional to 1,800,490.75, 2,697,737.47 and 1,266,890.76

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Solution

The fourth proportional to 1,800,490.75, 2,697,737.47 and 1,266,890.76 is: 1,898,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,490.75 : 2,697,737.47 = 1,266,890.76 : x
  2. Step 2: Convert to fraction form
    1,800,490.75/2,697,737.47 = 1,266,890.76/x
  3. Step 3: Cross multiply
    1,800,490.75x = 2,697,737.47 × 1,266,890.76
  4. Step 4: Simplify right side
    1,800,490.75x = 3,417,738,670,481.55
  5. Step 5: Solve for x
    x = 3,417,738,670,481.55/1,800,490.75
  6. Step 6: Final answer
    x = 1,898,226.18

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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.