Home / 1,301,598.54-1,796,192.28-728,643.42

Finding the Fourth Proportional to 1,301,598.54, 1,796,192.28 and 728,643.42

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Solution

The fourth proportional to 1,301,598.54, 1,796,192.28 and 728,643.42 is: 1,005,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,598.54 : 1,796,192.28 = 728,643.42 : x
  2. Step 2: Convert to fraction form
    1,301,598.54/1,796,192.28 = 728,643.42/x
  3. Step 3: Cross multiply
    1,301,598.54x = 1,796,192.28 × 728,643.42
  4. Step 4: Simplify right side
    1,301,598.54x = 1,308,783,685,876.80
  5. Step 5: Solve for x
    x = 1,308,783,685,876.80/1,301,598.54
  6. Step 6: Final answer
    x = 1,005,520.25

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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.