Home / 1,267,783.70-1,749,546.84-687,008.08

Finding the Fourth Proportional to 1,267,783.70, 1,749,546.84 and 687,008.08

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Solution

The fourth proportional to 1,267,783.70, 1,749,546.84 and 687,008.08 is: 948,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,783.70 : 1,749,546.84 = 687,008.08 : x
  2. Step 2: Convert to fraction form
    1,267,783.70/1,749,546.84 = 687,008.08/x
  3. Step 3: Cross multiply
    1,267,783.70x = 1,749,546.84 × 687,008.08
  4. Step 4: Simplify right side
    1,267,783.70x = 1,201,952,820,181.68
  5. Step 5: Solve for x
    x = 1,201,952,820,181.68/1,267,783.70
  6. Step 6: Final answer
    x = 948,074.04

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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.