Home / 1,683,571.95-2,525,731.09-485,400.77

Finding the Fourth Proportional to 1,683,571.95, 2,525,731.09 and 485,400.77

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Solution

The fourth proportional to 1,683,571.95, 2,525,731.09 and 485,400.77 is: 728,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,571.95 : 2,525,731.09 = 485,400.77 : x
  2. Step 2: Convert to fraction form
    1,683,571.95/2,525,731.09 = 485,400.77/x
  3. Step 3: Cross multiply
    1,683,571.95x = 2,525,731.09 × 485,400.77
  4. Step 4: Simplify right side
    1,683,571.95x = 1,225,991,811,528.27
  5. Step 5: Solve for x
    x = 1,225,991,811,528.27/1,683,571.95
  6. Step 6: Final answer
    x = 728,208.74

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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.