Home / 1,339,739.40-2,009,025.90-440,833.80

Finding the Fourth Proportional to 1,339,739.40, 2,009,025.90 and 440,833.80

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Solution

The fourth proportional to 1,339,739.40, 2,009,025.90 and 440,833.80 is: 661,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,739.40 : 2,009,025.90 = 440,833.80 : x
  2. Step 2: Convert to fraction form
    1,339,739.40/2,009,025.90 = 440,833.80/x
  3. Step 3: Cross multiply
    1,339,739.40x = 2,009,025.90 × 440,833.80
  4. Step 4: Simplify right side
    1,339,739.40x = 885,646,521,795.42
  5. Step 5: Solve for x
    x = 885,646,521,795.42/1,339,739.40
  6. Step 6: Final answer
    x = 661,058.80

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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.