Home / 1,343,639.84-2,015,744.07-445,030.70

Finding the Fourth Proportional to 1,343,639.84, 2,015,744.07 and 445,030.70

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Solution

The fourth proportional to 1,343,639.84, 2,015,744.07 and 445,030.70 is: 667,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,639.84 : 2,015,744.07 = 445,030.70 : x
  2. Step 2: Convert to fraction form
    1,343,639.84/2,015,744.07 = 445,030.70/x
  3. Step 3: Cross multiply
    1,343,639.84x = 2,015,744.07 × 445,030.70
  4. Step 4: Simplify right side
    1,343,639.84x = 897,067,994,492.95
  5. Step 5: Solve for x
    x = 897,067,994,492.95/1,343,639.84
  6. Step 6: Final answer
    x = 667,640.22

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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.