Home / 1,277,022.47-1,916,780.31-1,054,648.31

Finding the Fourth Proportional to 1,277,022.47, 1,916,780.31 and 1,054,648.31

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Solution

The fourth proportional to 1,277,022.47, 1,916,780.31 and 1,054,648.31 is: 1,583,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,022.47 : 1,916,780.31 = 1,054,648.31 : x
  2. Step 2: Convert to fraction form
    1,277,022.47/1,916,780.31 = 1,054,648.31/x
  3. Step 3: Cross multiply
    1,277,022.47x = 1,916,780.31 × 1,054,648.31
  4. Step 4: Simplify right side
    1,277,022.47x = 2,021,529,104,998.87
  5. Step 5: Solve for x
    x = 2,021,529,104,998.87/1,277,022.47
  6. Step 6: Final answer
    x = 1,583,001.99

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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.