Home / 1,298,558.87-1,792,007.48-725,599.52

Finding the Fourth Proportional to 1,298,558.87, 1,792,007.48 and 725,599.52

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Solution

The fourth proportional to 1,298,558.87, 1,792,007.48 and 725,599.52 is: 1,001,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,558.87 : 1,792,007.48 = 725,599.52 : x
  2. Step 2: Convert to fraction form
    1,298,558.87/1,792,007.48 = 725,599.52/x
  3. Step 3: Cross multiply
    1,298,558.87x = 1,792,007.48 × 725,599.52
  4. Step 4: Simplify right side
    1,298,558.87x = 1,300,279,763,696.41
  5. Step 5: Solve for x
    x = 1,300,279,763,696.41/1,298,558.87
  6. Step 6: Final answer
    x = 1,001,325.23

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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.