Home / 1,858,703.13-2,787,423.22-643,996.22

Finding the Fourth Proportional to 1,858,703.13, 2,787,423.22 and 643,996.22

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Solution

The fourth proportional to 1,858,703.13, 2,787,423.22 and 643,996.22 is: 965,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,703.13 : 2,787,423.22 = 643,996.22 : x
  2. Step 2: Convert to fraction form
    1,858,703.13/2,787,423.22 = 643,996.22/x
  3. Step 3: Cross multiply
    1,858,703.13x = 2,787,423.22 × 643,996.22
  4. Step 4: Simplify right side
    1,858,703.13x = 1,795,090,014,516.24
  5. Step 5: Solve for x
    x = 1,795,090,014,516.24/1,858,703.13
  6. Step 6: Final answer
    x = 965,775.54

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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.