Home / 1,286,448.32-1,775,407.68-713,673

Finding the Fourth Proportional to 1,286,448.32, 1,775,407.68 and 713,673

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Solution

The fourth proportional to 1,286,448.32, 1,775,407.68 and 713,673 is: 984,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,448.32 : 1,775,407.68 = 713,673 : x
  2. Step 2: Convert to fraction form
    1,286,448.32/1,775,407.68 = 713,673/x
  3. Step 3: Cross multiply
    1,286,448.32x = 1,775,407.68 × 713,673
  4. Step 4: Simplify right side
    1,286,448.32x = 1,267,060,525,208.64
  5. Step 5: Solve for x
    x = 1,267,060,525,208.64/1,286,448.32
  6. Step 6: Final answer
    x = 984,929.21

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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.