Home / 1,369,242.92-1,889,409.76-757,298.46

Finding the Fourth Proportional to 1,369,242.92, 1,889,409.76 and 757,298.46

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Solution

The fourth proportional to 1,369,242.92, 1,889,409.76 and 757,298.46 is: 1,044,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,242.92 : 1,889,409.76 = 757,298.46 : x
  2. Step 2: Convert to fraction form
    1,369,242.92/1,889,409.76 = 757,298.46/x
  3. Step 3: Cross multiply
    1,369,242.92x = 1,889,409.76 × 757,298.46
  4. Step 4: Simplify right side
    1,369,242.92x = 1,430,847,101,556.97
  5. Step 5: Solve for x
    x = 1,430,847,101,556.97/1,369,242.92
  6. Step 6: Final answer
    x = 1,044,991.42

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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.