Home / 1,315,950.96-1,973,937.96-318,679.92

Finding the Fourth Proportional to 1,315,950.96, 1,973,937.96 and 318,679.92

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Solution

The fourth proportional to 1,315,950.96, 1,973,937.96 and 318,679.92 is: 478,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,950.96 : 1,973,937.96 = 318,679.92 : x
  2. Step 2: Convert to fraction form
    1,315,950.96/1,973,937.96 = 318,679.92/x
  3. Step 3: Cross multiply
    1,315,950.96x = 1,973,937.96 × 318,679.92
  4. Step 4: Simplify right side
    1,315,950.96x = 629,054,391,177.76
  5. Step 5: Solve for x
    x = 629,054,391,177.76/1,315,950.96
  6. Step 6: Final answer
    x = 478,022.67

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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.