Home / 1,298,797.81-1,792,420.55-725,883.73

Finding the Fourth Proportional to 1,298,797.81, 1,792,420.55 and 725,883.73

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Solution

The fourth proportional to 1,298,797.81, 1,792,420.55 and 725,883.73 is: 1,001,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,797.81 : 1,792,420.55 = 725,883.73 : x
  2. Step 2: Convert to fraction form
    1,298,797.81/1,792,420.55 = 725,883.73/x
  3. Step 3: Cross multiply
    1,298,797.81x = 1,792,420.55 × 725,883.73
  4. Step 4: Simplify right side
    1,298,797.81x = 1,301,088,909,174.25
  5. Step 5: Solve for x
    x = 1,301,088,909,174.25/1,298,797.81
  6. Step 6: Final answer
    x = 1,001,764.02

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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.