Home / 1,079,866.54-1,490,206.96-589,836.36

Finding the Fourth Proportional to 1,079,866.54, 1,490,206.96 and 589,836.36

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Solution

The fourth proportional to 1,079,866.54, 1,490,206.96 and 589,836.36 is: 813,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,866.54 : 1,490,206.96 = 589,836.36 : x
  2. Step 2: Convert to fraction form
    1,079,866.54/1,490,206.96 = 589,836.36/x
  3. Step 3: Cross multiply
    1,079,866.54x = 1,490,206.96 × 589,836.36
  4. Step 4: Simplify right side
    1,079,866.54x = 878,978,255,258.64
  5. Step 5: Solve for x
    x = 878,978,255,258.64/1,079,866.54
  6. Step 6: Final answer
    x = 813,969.34

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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.