Home / 1,472,975.21-2,032,401.17-861,009.55

Finding the Fourth Proportional to 1,472,975.21, 2,032,401.17 and 861,009.55

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Solution

The fourth proportional to 1,472,975.21, 2,032,401.17 and 861,009.55 is: 1,188,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,975.21 : 2,032,401.17 = 861,009.55 : x
  2. Step 2: Convert to fraction form
    1,472,975.21/2,032,401.17 = 861,009.55/x
  3. Step 3: Cross multiply
    1,472,975.21x = 2,032,401.17 × 861,009.55
  4. Step 4: Simplify right side
    1,472,975.21x = 1,749,916,813,872.69
  5. Step 5: Solve for x
    x = 1,749,916,813,872.69/1,472,975.21
  6. Step 6: Final answer
    x = 1,188,015.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.