Home / 1,790,147.12-2,470,463.96-974,380.73

Finding the Fourth Proportional to 1,790,147.12, 2,470,463.96 and 974,380.73

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Solution

The fourth proportional to 1,790,147.12, 2,470,463.96 and 974,380.73 is: 1,344,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,147.12 : 2,470,463.96 = 974,380.73 : x
  2. Step 2: Convert to fraction form
    1,790,147.12/2,470,463.96 = 974,380.73/x
  3. Step 3: Cross multiply
    1,790,147.12x = 2,470,463.96 × 974,380.73
  4. Step 4: Simplify right side
    1,790,147.12x = 2,407,172,459,559.27
  5. Step 5: Solve for x
    x = 2,407,172,459,559.27/1,790,147.12
  6. Step 6: Final answer
    x = 1,344,678.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.