Home / 1,298,617.72-1,792,058.04-725,662.60

Finding the Fourth Proportional to 1,298,617.72, 1,792,058.04 and 725,662.60

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Solution

The fourth proportional to 1,298,617.72, 1,792,058.04 and 725,662.60 is: 1,001,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,617.72 : 1,792,058.04 = 725,662.60 : x
  2. Step 2: Convert to fraction form
    1,298,617.72/1,792,058.04 = 725,662.60/x
  3. Step 3: Cross multiply
    1,298,617.72x = 1,792,058.04 × 725,662.60
  4. Step 4: Simplify right side
    1,298,617.72x = 1,300,429,496,657.30
  5. Step 5: Solve for x
    x = 1,300,429,496,657.30/1,298,617.72
  6. Step 6: Final answer
    x = 1,001,395.16

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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.