Home / 1,279,224.76-1,918,486.86-480,444.52

Finding the Fourth Proportional to 1,279,224.76, 1,918,486.86 and 480,444.52

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Solution

The fourth proportional to 1,279,224.76, 1,918,486.86 and 480,444.52 is: 720,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,224.76 : 1,918,486.86 = 480,444.52 : x
  2. Step 2: Convert to fraction form
    1,279,224.76/1,918,486.86 = 480,444.52/x
  3. Step 3: Cross multiply
    1,279,224.76x = 1,918,486.86 × 480,444.52
  4. Step 4: Simplify right side
    1,279,224.76x = 921,726,498,579.01
  5. Step 5: Solve for x
    x = 921,726,498,579.01/1,279,224.76
  6. Step 6: Final answer
    x = 720,535.22

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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.