Home / 1,055,226.68-1,455,651.23-641,889.83

Finding the Fourth Proportional to 1,055,226.68, 1,455,651.23 and 641,889.83

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Solution

The fourth proportional to 1,055,226.68, 1,455,651.23 and 641,889.83 is: 885,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,226.68 : 1,455,651.23 = 641,889.83 : x
  2. Step 2: Convert to fraction form
    1,055,226.68/1,455,651.23 = 641,889.83/x
  3. Step 3: Cross multiply
    1,055,226.68x = 1,455,651.23 × 641,889.83
  4. Step 4: Simplify right side
    1,055,226.68x = 934,367,720,993.67
  5. Step 5: Solve for x
    x = 934,367,720,993.67/1,055,226.68
  6. Step 6: Final answer
    x = 885,466.36

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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.