Home / 1,339,438.64-2,009,434.75-440,934.29

Finding the Fourth Proportional to 1,339,438.64, 2,009,434.75 and 440,934.29

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Solution

The fourth proportional to 1,339,438.64, 2,009,434.75 and 440,934.29 is: 661,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,438.64 : 2,009,434.75 = 440,934.29 : x
  2. Step 2: Convert to fraction form
    1,339,438.64/2,009,434.75 = 440,934.29/x
  3. Step 3: Cross multiply
    1,339,438.64x = 2,009,434.75 × 440,934.29
  4. Step 4: Simplify right side
    1,339,438.64x = 886,028,683,658.70
  5. Step 5: Solve for x
    x = 886,028,683,658.70/1,339,438.64
  6. Step 6: Final answer
    x = 661,492.55

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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.