Home / 1,426,235.68-1,967,071.44-1,212,084.64

Finding the Fourth Proportional to 1,426,235.68, 1,967,071.44 and 1,212,084.64

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Solution

The fourth proportional to 1,426,235.68, 1,967,071.44 and 1,212,084.64 is: 1,671,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,235.68 : 1,967,071.44 = 1,212,084.64 : x
  2. Step 2: Convert to fraction form
    1,426,235.68/1,967,071.44 = 1,212,084.64/x
  3. Step 3: Cross multiply
    1,426,235.68x = 1,967,071.44 × 1,212,084.64
  4. Step 4: Simplify right side
    1,426,235.68x = 2,384,257,078,206.68
  5. Step 5: Solve for x
    x = 2,384,257,078,206.68/1,426,235.68
  6. Step 6: Final answer
    x = 1,671,713.25

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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.