Home / 1,224,273.07-1,689,475.31-680,408.83

Finding the Fourth Proportional to 1,224,273.07, 1,689,475.31 and 680,408.83

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Solution

The fourth proportional to 1,224,273.07, 1,689,475.31 and 680,408.83 is: 938,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,273.07 : 1,689,475.31 = 680,408.83 : x
  2. Step 2: Convert to fraction form
    1,224,273.07/1,689,475.31 = 680,408.83/x
  3. Step 3: Cross multiply
    1,224,273.07x = 1,689,475.31 × 680,408.83
  4. Step 4: Simplify right side
    1,224,273.07x = 1,149,533,916,468.32
  5. Step 5: Solve for x
    x = 1,149,533,916,468.32/1,224,273.07
  6. Step 6: Final answer
    x = 938,952.22

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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.