Home / 1,683,561.56-2,525,715.50-485,390.39

Finding the Fourth Proportional to 1,683,561.56, 2,525,715.50 and 485,390.39

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Solution

The fourth proportional to 1,683,561.56, 2,525,715.50 and 485,390.39 is: 728,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,561.56 : 2,525,715.50 = 485,390.39 : x
  2. Step 2: Convert to fraction form
    1,683,561.56/2,525,715.50 = 485,390.39/x
  3. Step 3: Cross multiply
    1,683,561.56x = 2,525,715.50 × 485,390.39
  4. Step 4: Simplify right side
    1,683,561.56x = 1,225,958,016,518.52
  5. Step 5: Solve for x
    x = 1,225,958,016,518.52/1,683,561.56
  6. Step 6: Final answer
    x = 728,193.16

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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.