Home / 1,990,587.96-2,985,881.94-494,679.96

Finding the Fourth Proportional to 1,990,587.96, 2,985,881.94 and 494,679.96

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Solution

The fourth proportional to 1,990,587.96, 2,985,881.94 and 494,679.96 is: 742,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,587.96 : 2,985,881.94 = 494,679.96 : x
  2. Step 2: Convert to fraction form
    1,990,587.96/2,985,881.94 = 494,679.96/x
  3. Step 3: Cross multiply
    1,990,587.96x = 2,985,881.94 × 494,679.96
  4. Step 4: Simplify right side
    1,990,587.96x = 1,477,055,958,643.92
  5. Step 5: Solve for x
    x = 1,477,055,958,643.92/1,990,587.96
  6. Step 6: Final answer
    x = 742,019.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.