Home / 1,318,150.99-1,974,033.54-912,205.69

Finding the Fourth Proportional to 1,318,150.99, 1,974,033.54 and 912,205.69

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Solution

The fourth proportional to 1,318,150.99, 1,974,033.54 and 912,205.69 is: 1,366,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,150.99 : 1,974,033.54 = 912,205.69 : x
  2. Step 2: Convert to fraction form
    1,318,150.99/1,974,033.54 = 912,205.69/x
  3. Step 3: Cross multiply
    1,318,150.99x = 1,974,033.54 × 912,205.69
  4. Step 4: Simplify right side
    1,318,150.99x = 1,800,724,627,438.84
  5. Step 5: Solve for x
    x = 1,800,724,627,438.84/1,318,150.99
  6. Step 6: Final answer
    x = 1,366,098.91

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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.