Home / 1,318,074.42-1,819,021.14-745,167.90

Finding the Fourth Proportional to 1,318,074.42, 1,819,021.14 and 745,167.90

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Solution

The fourth proportional to 1,318,074.42, 1,819,021.14 and 745,167.90 is: 1,028,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,074.42 : 1,819,021.14 = 745,167.90 : x
  2. Step 2: Convert to fraction form
    1,318,074.42/1,819,021.14 = 745,167.90/x
  3. Step 3: Cross multiply
    1,318,074.42x = 1,819,021.14 × 745,167.90
  4. Step 4: Simplify right side
    1,318,074.42x = 1,355,476,162,949.41
  5. Step 5: Solve for x
    x = 1,355,476,162,949.41/1,318,074.42
  6. Step 6: Final answer
    x = 1,028,376.05

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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.