Home / 1,783,322.80-2,670,866.12-1,071,783.16

Finding the Fourth Proportional to 1,783,322.80, 2,670,866.12 and 1,071,783.16

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Solution

The fourth proportional to 1,783,322.80, 2,670,866.12 and 1,071,783.16 is: 1,605,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,322.80 : 2,670,866.12 = 1,071,783.16 : x
  2. Step 2: Convert to fraction form
    1,783,322.80/2,670,866.12 = 1,071,783.16/x
  3. Step 3: Cross multiply
    1,783,322.80x = 2,670,866.12 × 1,071,783.16
  4. Step 4: Simplify right side
    1,783,322.80x = 2,862,589,326,032.83
  5. Step 5: Solve for x
    x = 2,862,589,326,032.83/1,783,322.80
  6. Step 6: Final answer
    x = 1,605,199.76

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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.