Home / 1,039,981.64-1,433,786.82-825,830.60

Finding the Fourth Proportional to 1,039,981.64, 1,433,786.82 and 825,830.60

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Solution

The fourth proportional to 1,039,981.64, 1,433,786.82 and 825,830.60 is: 1,138,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,981.64 : 1,433,786.82 = 825,830.60 : x
  2. Step 2: Convert to fraction form
    1,039,981.64/1,433,786.82 = 825,830.60/x
  3. Step 3: Cross multiply
    1,039,981.64x = 1,433,786.82 × 825,830.60
  4. Step 4: Simplify right side
    1,039,981.64x = 1,184,065,029,832.69
  5. Step 5: Solve for x
    x = 1,184,065,029,832.69/1,039,981.64
  6. Step 6: Final answer
    x = 1,138,544.17

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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.