Home / 1,606,694.20-2,217,237.81-918,380.77

Finding the Fourth Proportional to 1,606,694.20, 2,217,237.81 and 918,380.77

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Solution

The fourth proportional to 1,606,694.20, 2,217,237.81 and 918,380.77 is: 1,267,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,694.20 : 2,217,237.81 = 918,380.77 : x
  2. Step 2: Convert to fraction form
    1,606,694.20/2,217,237.81 = 918,380.77/x
  3. Step 3: Cross multiply
    1,606,694.20x = 2,217,237.81 × 918,380.77
  4. Step 4: Simplify right side
    1,606,694.20x = 2,036,268,567,220.91
  5. Step 5: Solve for x
    x = 2,036,268,567,220.91/1,606,694.20
  6. Step 6: Final answer
    x = 1,267,365.36

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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.