Home / 1,298,628.96-1,792,073.58-725,673.84

Finding the Fourth Proportional to 1,298,628.96, 1,792,073.58 and 725,673.84

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Solution

The fourth proportional to 1,298,628.96, 1,792,073.58 and 725,673.84 is: 1,001,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,628.96 : 1,792,073.58 = 725,673.84 : x
  2. Step 2: Convert to fraction form
    1,298,628.96/1,792,073.58 = 725,673.84/x
  3. Step 3: Cross multiply
    1,298,628.96x = 1,792,073.58 × 725,673.84
  4. Step 4: Simplify right side
    1,298,628.96x = 1,300,460,916,361.15
  5. Step 5: Solve for x
    x = 1,300,460,916,361.15/1,298,628.96
  6. Step 6: Final answer
    x = 1,001,410.68

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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.