Home / 1,103,724.50-1,522,797.50-644,507.81

Finding the Fourth Proportional to 1,103,724.50, 1,522,797.50 and 644,507.81

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Solution

The fourth proportional to 1,103,724.50, 1,522,797.50 and 644,507.81 is: 889,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,724.50 : 1,522,797.50 = 644,507.81 : x
  2. Step 2: Convert to fraction form
    1,103,724.50/1,522,797.50 = 644,507.81/x
  3. Step 3: Cross multiply
    1,103,724.50x = 1,522,797.50 × 644,507.81
  4. Step 4: Simplify right side
    1,103,724.50x = 981,454,881,798.48
  5. Step 5: Solve for x
    x = 981,454,881,798.48/1,103,724.50
  6. Step 6: Final answer
    x = 889,220.89

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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.