Home / 976,464.42-1,464,162.72-775,352.40

Finding the Fourth Proportional to 976,464.42, 1,464,162.72 and 775,352.40

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Solution

The fourth proportional to 976,464.42, 1,464,162.72 and 775,352.40 is: 1,162,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,464.42 : 1,464,162.72 = 775,352.40 : x
  2. Step 2: Convert to fraction form
    976,464.42/1,464,162.72 = 775,352.40/x
  3. Step 3: Cross multiply
    976,464.42x = 1,464,162.72 × 775,352.40
  4. Step 4: Simplify right side
    976,464.42x = 1,135,242,078,942.53
  5. Step 5: Solve for x
    x = 1,135,242,078,942.53/976,464.42
  6. Step 6: Final answer
    x = 1,162,604.65

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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.