Home / 1,516,288.56-2,091,601.08-979,744.56

Finding the Fourth Proportional to 1,516,288.56, 2,091,601.08 and 979,744.56

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Solution

The fourth proportional to 1,516,288.56, 2,091,601.08 and 979,744.56 is: 1,351,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,288.56 : 2,091,601.08 = 979,744.56 : x
  2. Step 2: Convert to fraction form
    1,516,288.56/2,091,601.08 = 979,744.56/x
  3. Step 3: Cross multiply
    1,516,288.56x = 2,091,601.08 × 979,744.56
  4. Step 4: Simplify right side
    1,516,288.56x = 2,049,234,779,820.13
  5. Step 5: Solve for x
    x = 2,049,234,779,820.13/1,516,288.56
  6. Step 6: Final answer
    x = 1,351,480.74

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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.