Home / 1,298,835.90-1,792,448.91-725,876.06

Finding the Fourth Proportional to 1,298,835.90, 1,792,448.91 and 725,876.06

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Solution

The fourth proportional to 1,298,835.90, 1,792,448.91 and 725,876.06 is: 1,001,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,835.90 : 1,792,448.91 = 725,876.06 : x
  2. Step 2: Convert to fraction form
    1,298,835.90/1,792,448.91 = 725,876.06/x
  3. Step 3: Cross multiply
    1,298,835.90x = 1,792,448.91 × 725,876.06
  4. Step 4: Simplify right side
    1,298,835.90x = 1,301,095,743,579.85
  5. Step 5: Solve for x
    x = 1,301,095,743,579.85/1,298,835.90
  6. Step 6: Final answer
    x = 1,001,739.90

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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.