Home / 1,253,913.70-1,880,277.62-485,771.26

Finding the Fourth Proportional to 1,253,913.70, 1,880,277.62 and 485,771.26

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Solution

The fourth proportional to 1,253,913.70, 1,880,277.62 and 485,771.26 is: 728,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,913.70 : 1,880,277.62 = 485,771.26 : x
  2. Step 2: Convert to fraction form
    1,253,913.70/1,880,277.62 = 485,771.26/x
  3. Step 3: Cross multiply
    1,253,913.70x = 1,880,277.62 × 485,771.26
  4. Step 4: Simplify right side
    1,253,913.70x = 913,384,828,617.20
  5. Step 5: Solve for x
    x = 913,384,828,617.20/1,253,913.70
  6. Step 6: Final answer
    x = 728,427.19

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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.