Home / 1,027,407.69-1,416,662.36-768,454.76

Finding the Fourth Proportional to 1,027,407.69, 1,416,662.36 and 768,454.76

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Solution

The fourth proportional to 1,027,407.69, 1,416,662.36 and 768,454.76 is: 1,059,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,407.69 : 1,416,662.36 = 768,454.76 : x
  2. Step 2: Convert to fraction form
    1,027,407.69/1,416,662.36 = 768,454.76/x
  3. Step 3: Cross multiply
    1,027,407.69x = 1,416,662.36 × 768,454.76
  4. Step 4: Simplify right side
    1,027,407.69x = 1,088,640,922,929.25
  5. Step 5: Solve for x
    x = 1,088,640,922,929.25/1,027,407.69
  6. Step 6: Final answer
    x = 1,059,599.74

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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.