Home / 1,203,686.20-1,803,998.40-492,911.20

Finding the Fourth Proportional to 1,203,686.20, 1,803,998.40 and 492,911.20

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Solution

The fourth proportional to 1,203,686.20, 1,803,998.40 and 492,911.20 is: 738,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,686.20 : 1,803,998.40 = 492,911.20 : x
  2. Step 2: Convert to fraction form
    1,203,686.20/1,803,998.40 = 492,911.20/x
  3. Step 3: Cross multiply
    1,203,686.20x = 1,803,998.40 × 492,911.20
  4. Step 4: Simplify right side
    1,203,686.20x = 889,211,016,142.08
  5. Step 5: Solve for x
    x = 889,211,016,142.08/1,203,686.20
  6. Step 6: Final answer
    x = 738,739.89

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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.