Home / 1,422,917.76-2,134,218.96-357,959.52

Finding the Fourth Proportional to 1,422,917.76, 2,134,218.96 and 357,959.52

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Solution

The fourth proportional to 1,422,917.76, 2,134,218.96 and 357,959.52 is: 536,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,917.76 : 2,134,218.96 = 357,959.52 : x
  2. Step 2: Convert to fraction form
    1,422,917.76/2,134,218.96 = 357,959.52/x
  3. Step 3: Cross multiply
    1,422,917.76x = 2,134,218.96 × 357,959.52
  4. Step 4: Simplify right side
    1,422,917.76x = 763,963,994,496.50
  5. Step 5: Solve for x
    x = 763,963,994,496.50/1,422,917.76
  6. Step 6: Final answer
    x = 536,899.61

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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.