Home / 1,273,938.50-1,911,203-432,490.26

Finding the Fourth Proportional to 1,273,938.50, 1,911,203 and 432,490.26

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Solution

The fourth proportional to 1,273,938.50, 1,911,203 and 432,490.26 is: 648,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,938.50 : 1,911,203 = 432,490.26 : x
  2. Step 2: Convert to fraction form
    1,273,938.50/1,911,203 = 432,490.26/x
  3. Step 3: Cross multiply
    1,273,938.50x = 1,911,203 × 432,490.26
  4. Step 4: Simplify right side
    1,273,938.50x = 826,576,682,382.78
  5. Step 5: Solve for x
    x = 826,576,682,382.78/1,273,938.50
  6. Step 6: Final answer
    x = 648,835.62

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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.