Home / 1,415,954.86-2,122,510.25-455,704.82

Finding the Fourth Proportional to 1,415,954.86, 2,122,510.25 and 455,704.82

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Solution

The fourth proportional to 1,415,954.86, 2,122,510.25 and 455,704.82 is: 683,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,954.86 : 2,122,510.25 = 455,704.82 : x
  2. Step 2: Convert to fraction form
    1,415,954.86/2,122,510.25 = 455,704.82/x
  3. Step 3: Cross multiply
    1,415,954.86x = 2,122,510.25 × 455,704.82
  4. Step 4: Simplify right side
    1,415,954.86x = 967,238,151,424.41
  5. Step 5: Solve for x
    x = 967,238,151,424.41/1,415,954.86
  6. Step 6: Final answer
    x = 683,099.57

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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.