Home / 1,206,740.43-1,664,825.60-777,269.52

Finding the Fourth Proportional to 1,206,740.43, 1,664,825.60 and 777,269.52

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Solution

The fourth proportional to 1,206,740.43, 1,664,825.60 and 777,269.52 is: 1,072,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,740.43 : 1,664,825.60 = 777,269.52 : x
  2. Step 2: Convert to fraction form
    1,206,740.43/1,664,825.60 = 777,269.52/x
  3. Step 3: Cross multiply
    1,206,740.43x = 1,664,825.60 × 777,269.52
  4. Step 4: Simplify right side
    1,206,740.43x = 1,294,018,196,938.89
  5. Step 5: Solve for x
    x = 1,294,018,196,938.89/1,206,740.43
  6. Step 6: Final answer
    x = 1,072,325.22

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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.