Home / 1,339,461.72-2,009,469.29-440,957.48

Finding the Fourth Proportional to 1,339,461.72, 2,009,469.29 and 440,957.48

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Solution

The fourth proportional to 1,339,461.72, 2,009,469.29 and 440,957.48 is: 661,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,461.72 : 2,009,469.29 = 440,957.48 : x
  2. Step 2: Convert to fraction form
    1,339,461.72/2,009,469.29 = 440,957.48/x
  3. Step 3: Cross multiply
    1,339,461.72x = 2,009,469.29 × 440,957.48
  4. Step 4: Simplify right side
    1,339,461.72x = 886,090,502,003.66
  5. Step 5: Solve for x
    x = 886,090,502,003.66/1,339,461.72
  6. Step 6: Final answer
    x = 661,527.31

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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.