Home / 1,550,700.50-2,139,653.09-905,996.14

Finding the Fourth Proportional to 1,550,700.50, 2,139,653.09 and 905,996.14

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Solution

The fourth proportional to 1,550,700.50, 2,139,653.09 and 905,996.14 is: 1,250,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,700.50 : 2,139,653.09 = 905,996.14 : x
  2. Step 2: Convert to fraction form
    1,550,700.50/2,139,653.09 = 905,996.14/x
  3. Step 3: Cross multiply
    1,550,700.50x = 2,139,653.09 × 905,996.14
  4. Step 4: Simplify right side
    1,550,700.50x = 1,938,517,437,394.93
  5. Step 5: Solve for x
    x = 1,938,517,437,394.93/1,550,700.50
  6. Step 6: Final answer
    x = 1,250,091.45

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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.