Home / 1,454,806.21-2,007,632.57-810,226.40

Finding the Fourth Proportional to 1,454,806.21, 2,007,632.57 and 810,226.40

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Solution

The fourth proportional to 1,454,806.21, 2,007,632.57 and 810,226.40 is: 1,118,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,806.21 : 2,007,632.57 = 810,226.40 : x
  2. Step 2: Convert to fraction form
    1,454,806.21/2,007,632.57 = 810,226.40/x
  3. Step 3: Cross multiply
    1,454,806.21x = 2,007,632.57 × 810,226.40
  4. Step 4: Simplify right side
    1,454,806.21x = 1,626,636,909,713.85
  5. Step 5: Solve for x
    x = 1,626,636,909,713.85/1,454,806.21
  6. Step 6: Final answer
    x = 1,118,112.43

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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.