Home / 1,184,315.21-1,776,456.30-285,749.40

Finding the Fourth Proportional to 1,184,315.21, 1,776,456.30 and 285,749.40

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Solution

The fourth proportional to 1,184,315.21, 1,776,456.30 and 285,749.40 is: 428,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,315.21 : 1,776,456.30 = 285,749.40 : x
  2. Step 2: Convert to fraction form
    1,184,315.21/1,776,456.30 = 285,749.40/x
  3. Step 3: Cross multiply
    1,184,315.21x = 1,776,456.30 × 285,749.40
  4. Step 4: Simplify right side
    1,184,315.21x = 507,621,321,851.22
  5. Step 5: Solve for x
    x = 507,621,321,851.22/1,184,315.21
  6. Step 6: Final answer
    x = 428,620.12

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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.