Home / 1,454,805.21-2,007,631.19-810,225.40

Finding the Fourth Proportional to 1,454,805.21, 2,007,631.19 and 810,225.40

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Solution

The fourth proportional to 1,454,805.21, 2,007,631.19 and 810,225.40 is: 1,118,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,805.21 : 2,007,631.19 = 810,225.40 : x
  2. Step 2: Convert to fraction form
    1,454,805.21/2,007,631.19 = 810,225.40/x
  3. Step 3: Cross multiply
    1,454,805.21x = 2,007,631.19 × 810,225.40
  4. Step 4: Simplify right side
    1,454,805.21x = 1,626,633,780,183.50
  5. Step 5: Solve for x
    x = 1,626,633,780,183.50/1,454,805.21
  6. Step 6: Final answer
    x = 1,118,111.05

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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.