Home / 1,253,925.45-1,880,295.26-485,783.01

Finding the Fourth Proportional to 1,253,925.45, 1,880,295.26 and 485,783.01

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Solution

The fourth proportional to 1,253,925.45, 1,880,295.26 and 485,783.01 is: 728,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,925.45 : 1,880,295.26 = 485,783.01 : x
  2. Step 2: Convert to fraction form
    1,253,925.45/1,880,295.26 = 485,783.01/x
  3. Step 3: Cross multiply
    1,253,925.45x = 1,880,295.26 × 485,783.01
  4. Step 4: Simplify right side
    1,253,925.45x = 913,415,488,662.62
  5. Step 5: Solve for x
    x = 913,415,488,662.62/1,253,925.45
  6. Step 6: Final answer
    x = 728,444.81

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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.