Home / 1,299,022.11-1,792,688.76-726,063.75

Finding the Fourth Proportional to 1,299,022.11, 1,792,688.76 and 726,063.75

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Solution

The fourth proportional to 1,299,022.11, 1,792,688.76 and 726,063.75 is: 1,001,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,022.11 : 1,792,688.76 = 726,063.75 : x
  2. Step 2: Convert to fraction form
    1,299,022.11/1,792,688.76 = 726,063.75/x
  3. Step 3: Cross multiply
    1,299,022.11x = 1,792,688.76 × 726,063.75
  4. Step 4: Simplify right side
    1,299,022.11x = 1,301,606,323,668.45
  5. Step 5: Solve for x
    x = 1,301,606,323,668.45/1,299,022.11
  6. Step 6: Final answer
    x = 1,001,989.35

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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.