Home / 1,457,120.72-2,184,357.88-509,974.76

Finding the Fourth Proportional to 1,457,120.72, 2,184,357.88 and 509,974.76

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Solution

The fourth proportional to 1,457,120.72, 2,184,357.88 and 509,974.76 is: 764,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,120.72 : 2,184,357.88 = 509,974.76 : x
  2. Step 2: Convert to fraction form
    1,457,120.72/2,184,357.88 = 509,974.76/x
  3. Step 3: Cross multiply
    1,457,120.72x = 2,184,357.88 × 509,974.76
  4. Step 4: Simplify right side
    1,457,120.72x = 1,113,967,385,607.11
  5. Step 5: Solve for x
    x = 1,113,967,385,607.11/1,457,120.72
  6. Step 6: Final answer
    x = 764,499.04

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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.