Home / 1,006,211.84-1,509,317.75-689,709.20

Finding the Fourth Proportional to 1,006,211.84, 1,509,317.75 and 689,709.20

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Solution

The fourth proportional to 1,006,211.84, 1,509,317.75 and 689,709.20 is: 1,034,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,211.84 : 1,509,317.75 = 689,709.20 : x
  2. Step 2: Convert to fraction form
    1,006,211.84/1,509,317.75 = 689,709.20/x
  3. Step 3: Cross multiply
    1,006,211.84x = 1,509,317.75 × 689,709.20
  4. Step 4: Simplify right side
    1,006,211.84x = 1,040,990,332,075.98
  5. Step 5: Solve for x
    x = 1,040,990,332,075.98/1,006,211.84
  6. Step 6: Final answer
    x = 1,034,563.79

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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.