Home / 1,826,518.91-2,739,696.96-478,651.37

Finding the Fourth Proportional to 1,826,518.91, 2,739,696.96 and 478,651.37

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Solution

The fourth proportional to 1,826,518.91, 2,739,696.96 and 478,651.37 is: 717,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,518.91 : 2,739,696.96 = 478,651.37 : x
  2. Step 2: Convert to fraction form
    1,826,518.91/2,739,696.96 = 478,651.37/x
  3. Step 3: Cross multiply
    1,826,518.91x = 2,739,696.96 × 478,651.37
  4. Step 4: Simplify right side
    1,826,518.91x = 1,311,359,703,288.84
  5. Step 5: Solve for x
    x = 1,311,359,703,288.84/1,826,518.91
  6. Step 6: Final answer
    x = 717,955.72

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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.