Home / 1,246,998.86-1,720,877.57-730,629.17

Finding the Fourth Proportional to 1,246,998.86, 1,720,877.57 and 730,629.17

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Solution

The fourth proportional to 1,246,998.86, 1,720,877.57 and 730,629.17 is: 1,008,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,998.86 : 1,720,877.57 = 730,629.17 : x
  2. Step 2: Convert to fraction form
    1,246,998.86/1,720,877.57 = 730,629.17/x
  3. Step 3: Cross multiply
    1,246,998.86x = 1,720,877.57 × 730,629.17
  4. Step 4: Simplify right side
    1,246,998.86x = 1,257,323,346,987.57
  5. Step 5: Solve for x
    x = 1,257,323,346,987.57/1,246,998.86
  6. Step 6: Final answer
    x = 1,008,279.47

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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.