Home / 1,103,474.96-1,522,746.84-644,632.02

Finding the Fourth Proportional to 1,103,474.96, 1,522,746.84 and 644,632.02

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Solution

The fourth proportional to 1,103,474.96, 1,522,746.84 and 644,632.02 is: 889,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,474.96 : 1,522,746.84 = 644,632.02 : x
  2. Step 2: Convert to fraction form
    1,103,474.96/1,522,746.84 = 644,632.02/x
  3. Step 3: Cross multiply
    1,103,474.96x = 1,522,746.84 × 644,632.02
  4. Step 4: Simplify right side
    1,103,474.96x = 981,611,371,417.82
  5. Step 5: Solve for x
    x = 981,611,371,417.82/1,103,474.96
  6. Step 6: Final answer
    x = 889,563.79

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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.