Home / 1,855,520.86-2,782,403.91-718,815.46

Finding the Fourth Proportional to 1,855,520.86, 2,782,403.91 and 718,815.46

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Solution

The fourth proportional to 1,855,520.86, 2,782,403.91 and 718,815.46 is: 1,077,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,520.86 : 2,782,403.91 = 718,815.46 : x
  2. Step 2: Convert to fraction form
    1,855,520.86/2,782,403.91 = 718,815.46/x
  3. Step 3: Cross multiply
    1,855,520.86x = 2,782,403.91 × 718,815.46
  4. Step 4: Simplify right side
    1,855,520.86x = 2,000,034,946,472.45
  5. Step 5: Solve for x
    x = 2,000,034,946,472.45/1,855,520.86
  6. Step 6: Final answer
    x = 1,077,883.30

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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.