Home / 1,781,907-2,673,127.32-644,935.23

Finding the Fourth Proportional to 1,781,907, 2,673,127.32 and 644,935.23

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Solution

The fourth proportional to 1,781,907, 2,673,127.32 and 644,935.23 is: 967,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,907 : 2,673,127.32 = 644,935.23 : x
  2. Step 2: Convert to fraction form
    1,781,907/2,673,127.32 = 644,935.23/x
  3. Step 3: Cross multiply
    1,781,907x = 2,673,127.32 × 644,935.23
  4. Step 4: Simplify right side
    1,781,907x = 1,723,993,982,943.48
  5. Step 5: Solve for x
    x = 1,723,993,982,943.48/1,781,907
  6. Step 6: Final answer
    x = 967,499.42

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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.