Home / 1,665,237.05-2,298,083.09-1,020,532.94

Finding the Fourth Proportional to 1,665,237.05, 2,298,083.09 and 1,020,532.94

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Solution

The fourth proportional to 1,665,237.05, 2,298,083.09 and 1,020,532.94 is: 1,408,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,237.05 : 2,298,083.09 = 1,020,532.94 : x
  2. Step 2: Convert to fraction form
    1,665,237.05/2,298,083.09 = 1,020,532.94/x
  3. Step 3: Cross multiply
    1,665,237.05x = 2,298,083.09 × 1,020,532.94
  4. Step 4: Simplify right side
    1,665,237.05x = 2,345,269,475,608.90
  5. Step 5: Solve for x
    x = 2,345,269,475,608.90/1,665,237.05
  6. Step 6: Final answer
    x = 1,408,369.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.