Home / 1,339,439.76-2,009,436.44-440,935.41

Finding the Fourth Proportional to 1,339,439.76, 2,009,436.44 and 440,935.41

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Solution

The fourth proportional to 1,339,439.76, 2,009,436.44 and 440,935.41 is: 661,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,439.76 : 2,009,436.44 = 440,935.41 : x
  2. Step 2: Convert to fraction form
    1,339,439.76/2,009,436.44 = 440,935.41/x
  3. Step 3: Cross multiply
    1,339,439.76x = 2,009,436.44 × 440,935.41
  4. Step 4: Simplify right side
    1,339,439.76x = 886,031,688,351.31
  5. Step 5: Solve for x
    x = 886,031,688,351.31/1,339,439.76
  6. Step 6: Final answer
    x = 661,494.24

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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.