Home / 1,212,952.32-1,674,412.25-783,441.93

Finding the Fourth Proportional to 1,212,952.32, 1,674,412.25 and 783,441.93

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Solution

The fourth proportional to 1,212,952.32, 1,674,412.25 and 783,441.93 is: 1,081,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,952.32 : 1,674,412.25 = 783,441.93 : x
  2. Step 2: Convert to fraction form
    1,212,952.32/1,674,412.25 = 783,441.93/x
  3. Step 3: Cross multiply
    1,212,952.32x = 1,674,412.25 × 783,441.93
  4. Step 4: Simplify right side
    1,212,952.32x = 1,311,804,760,838.43
  5. Step 5: Solve for x
    x = 1,311,804,760,838.43/1,212,952.32
  6. Step 6: Final answer
    x = 1,081,497.38

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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.