Home / 1,455,379.18-1,993,876.67-1,400,834.68

Finding the Fourth Proportional to 1,455,379.18, 1,993,876.67 and 1,400,834.68

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Solution

The fourth proportional to 1,455,379.18, 1,993,876.67 and 1,400,834.68 is: 1,919,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,379.18 : 1,993,876.67 = 1,400,834.68 : x
  2. Step 2: Convert to fraction form
    1,455,379.18/1,993,876.67 = 1,400,834.68/x
  3. Step 3: Cross multiply
    1,455,379.18x = 1,993,876.67 × 1,400,834.68
  4. Step 4: Simplify right side
    1,455,379.18x = 2,793,091,586,978.92
  5. Step 5: Solve for x
    x = 2,793,091,586,978.92/1,455,379.18
  6. Step 6: Final answer
    x = 1,919,150.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.