Home / 1,273,999.80-1,911,294.90-432,551.52

Finding the Fourth Proportional to 1,273,999.80, 1,911,294.90 and 432,551.52

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Solution

The fourth proportional to 1,273,999.80, 1,911,294.90 and 432,551.52 is: 648,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,999.80 : 1,911,294.90 = 432,551.52 : x
  2. Step 2: Convert to fraction form
    1,273,999.80/1,911,294.90 = 432,551.52/x
  3. Step 3: Cross multiply
    1,273,999.80x = 1,911,294.90 × 432,551.52
  4. Step 4: Simplify right side
    1,273,999.80x = 826,733,514,163.25
  5. Step 5: Solve for x
    x = 826,733,514,163.25/1,273,999.80
  6. Step 6: Final answer
    x = 648,927.51

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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.