Home / 1,016,976.87-1,525,390.99-477,356.09

Finding the Fourth Proportional to 1,016,976.87, 1,525,390.99 and 477,356.09

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Solution

The fourth proportional to 1,016,976.87, 1,525,390.99 and 477,356.09 is: 715,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,976.87 : 1,525,390.99 = 477,356.09 : x
  2. Step 2: Convert to fraction form
    1,016,976.87/1,525,390.99 = 477,356.09/x
  3. Step 3: Cross multiply
    1,016,976.87x = 1,525,390.99 × 477,356.09
  4. Step 4: Simplify right side
    1,016,976.87x = 728,154,669,887.28
  5. Step 5: Solve for x
    x = 728,154,669,887.28/1,016,976.87
  6. Step 6: Final answer
    x = 715,999.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.