Home / 1,011,485.80-1,517,975.24-479,005.84

Finding the Fourth Proportional to 1,011,485.80, 1,517,975.24 and 479,005.84

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Solution

The fourth proportional to 1,011,485.80, 1,517,975.24 and 479,005.84 is: 718,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,485.80 : 1,517,975.24 = 479,005.84 : x
  2. Step 2: Convert to fraction form
    1,011,485.80/1,517,975.24 = 479,005.84/x
  3. Step 3: Cross multiply
    1,011,485.80x = 1,517,975.24 × 479,005.84
  4. Step 4: Simplify right side
    1,011,485.80x = 727,119,004,935.40
  5. Step 5: Solve for x
    x = 727,119,004,935.40/1,011,485.80
  6. Step 6: Final answer
    x = 718,862.30

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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.