Home / 1,054,169.28-1,578,169.44-653,601.60

Finding the Fourth Proportional to 1,054,169.28, 1,578,169.44 and 653,601.60

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Solution

The fourth proportional to 1,054,169.28, 1,578,169.44 and 653,601.60 is: 978,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,169.28 : 1,578,169.44 = 653,601.60 : x
  2. Step 2: Convert to fraction form
    1,054,169.28/1,578,169.44 = 653,601.60/x
  3. Step 3: Cross multiply
    1,054,169.28x = 1,578,169.44 × 653,601.60
  4. Step 4: Simplify right side
    1,054,169.28x = 1,031,494,071,055.10
  5. Step 5: Solve for x
    x = 1,031,494,071,055.10/1,054,169.28
  6. Step 6: Final answer
    x = 978,489.97

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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.