Home / 1,415,857.94-2,122,364.81-455,607.80

Finding the Fourth Proportional to 1,415,857.94, 2,122,364.81 and 455,607.80

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Solution

The fourth proportional to 1,415,857.94, 2,122,364.81 and 455,607.80 is: 682,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,857.94 : 2,122,364.81 = 455,607.80 : x
  2. Step 2: Convert to fraction form
    1,415,857.94/2,122,364.81 = 455,607.80/x
  3. Step 3: Cross multiply
    1,415,857.94x = 2,122,364.81 × 455,607.80
  4. Step 4: Simplify right side
    1,415,857.94x = 966,965,961,881.52
  5. Step 5: Solve for x
    x = 966,965,961,881.52/1,415,857.94
  6. Step 6: Final answer
    x = 682,954.08

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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.