Home / 979,260.24-1,467,511.38-778,690.56

Finding the Fourth Proportional to 979,260.24, 1,467,511.38 and 778,690.56

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Solution

The fourth proportional to 979,260.24, 1,467,511.38 and 778,690.56 is: 1,166,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,260.24 : 1,467,511.38 = 778,690.56 : x
  2. Step 2: Convert to fraction form
    979,260.24/1,467,511.38 = 778,690.56/x
  3. Step 3: Cross multiply
    979,260.24x = 1,467,511.38 × 778,690.56
  4. Step 4: Simplify right side
    979,260.24x = 1,142,737,258,298.57
  5. Step 5: Solve for x
    x = 1,142,737,258,298.57/979,260.24
  6. Step 6: Final answer
    x = 1,166,939.30

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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.