Home / 1,039,378-1,434,342.36-562,450

Finding the Fourth Proportional to 1,039,378, 1,434,342.36 and 562,450

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Solution

The fourth proportional to 1,039,378, 1,434,342.36 and 562,450 is: 776,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,378 : 1,434,342.36 = 562,450 : x
  2. Step 2: Convert to fraction form
    1,039,378/1,434,342.36 = 562,450/x
  3. Step 3: Cross multiply
    1,039,378x = 1,434,342.36 × 562,450
  4. Step 4: Simplify right side
    1,039,378x = 806,745,860,382
  5. Step 5: Solve for x
    x = 806,745,860,382/1,039,378
  6. Step 6: Final answer
    x = 776,181.39

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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.