Home / 1,301,300.66-1,795,794.60-728,340.80

Finding the Fourth Proportional to 1,301,300.66, 1,795,794.60 and 728,340.80

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Solution

The fourth proportional to 1,301,300.66, 1,795,794.60 and 728,340.80 is: 1,005,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,300.66 : 1,795,794.60 = 728,340.80 : x
  2. Step 2: Convert to fraction form
    1,301,300.66/1,795,794.60 = 728,340.80/x
  3. Step 3: Cross multiply
    1,301,300.66x = 1,795,794.60 × 728,340.80
  4. Step 4: Simplify right side
    1,301,300.66x = 1,307,950,475,599.68
  5. Step 5: Solve for x
    x = 1,307,950,475,599.68/1,301,300.66
  6. Step 6: Final answer
    x = 1,005,110.13

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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.