Home / 1,218,004.20-1,826,228.70-508,314.60

Finding the Fourth Proportional to 1,218,004.20, 1,826,228.70 and 508,314.60

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Solution

The fourth proportional to 1,218,004.20, 1,826,228.70 and 508,314.60 is: 762,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,004.20 : 1,826,228.70 = 508,314.60 : x
  2. Step 2: Convert to fraction form
    1,218,004.20/1,826,228.70 = 508,314.60/x
  3. Step 3: Cross multiply
    1,218,004.20x = 1,826,228.70 × 508,314.60
  4. Step 4: Simplify right side
    1,218,004.20x = 928,298,711,149.02
  5. Step 5: Solve for x
    x = 928,298,711,149.02/1,218,004.20
  6. Step 6: Final answer
    x = 762,147.38

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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.