Home / 1,550,632.09-2,139,558.64-905,927.73

Finding the Fourth Proportional to 1,550,632.09, 2,139,558.64 and 905,927.73

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Solution

The fourth proportional to 1,550,632.09, 2,139,558.64 and 905,927.73 is: 1,249,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,632.09 : 2,139,558.64 = 905,927.73 : x
  2. Step 2: Convert to fraction form
    1,550,632.09/2,139,558.64 = 905,927.73/x
  3. Step 3: Cross multiply
    1,550,632.09x = 2,139,558.64 × 905,927.73
  4. Step 4: Simplify right side
    1,550,632.09x = 1,938,285,501,937.09
  5. Step 5: Solve for x
    x = 1,938,285,501,937.09/1,550,632.09
  6. Step 6: Final answer
    x = 1,249,997.03

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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.