Home / 1,240,277.36-1,711,769.92-757,123.76

Finding the Fourth Proportional to 1,240,277.36, 1,711,769.92 and 757,123.76

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Solution

The fourth proportional to 1,240,277.36, 1,711,769.92 and 757,123.76 is: 1,044,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,277.36 : 1,711,769.92 = 757,123.76 : x
  2. Step 2: Convert to fraction form
    1,240,277.36/1,711,769.92 = 757,123.76/x
  3. Step 3: Cross multiply
    1,240,277.36x = 1,711,769.92 × 757,123.76
  4. Step 4: Simplify right side
    1,240,277.36x = 1,296,021,678,085.30
  5. Step 5: Solve for x
    x = 1,296,021,678,085.30/1,240,277.36
  6. Step 6: Final answer
    x = 1,044,945.04

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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.