Home / 1,240,245.36-1,711,725.75-757,091.70

Finding the Fourth Proportional to 1,240,245.36, 1,711,725.75 and 757,091.70

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Solution

The fourth proportional to 1,240,245.36, 1,711,725.75 and 757,091.70 is: 1,044,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,245.36 : 1,711,725.75 = 757,091.70 : x
  2. Step 2: Convert to fraction form
    1,240,245.36/1,711,725.75 = 757,091.70/x
  3. Step 3: Cross multiply
    1,240,245.36x = 1,711,725.75 × 757,091.70
  4. Step 4: Simplify right side
    1,240,245.36x = 1,295,933,358,001.27
  5. Step 5: Solve for x
    x = 1,295,933,358,001.27/1,240,245.36
  6. Step 6: Final answer
    x = 1,044,900.79

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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.