Home / 1,280,741.49-1,767,252.47-822,476.80

Finding the Fourth Proportional to 1,280,741.49, 1,767,252.47 and 822,476.80

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Solution

The fourth proportional to 1,280,741.49, 1,767,252.47 and 822,476.80 is: 1,134,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,741.49 : 1,767,252.47 = 822,476.80 : x
  2. Step 2: Convert to fraction form
    1,280,741.49/1,767,252.47 = 822,476.80/x
  3. Step 3: Cross multiply
    1,280,741.49x = 1,767,252.47 × 822,476.80
  4. Step 4: Simplify right side
    1,280,741.49x = 1,453,524,143,369.05
  5. Step 5: Solve for x
    x = 1,453,524,143,369.05/1,280,741.49
  6. Step 6: Final answer
    x = 1,134,908.30

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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.