Home / 1,008,712.71-1,512,773.78-830,778.39

Finding the Fourth Proportional to 1,008,712.71, 1,512,773.78 and 830,778.39

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Solution

The fourth proportional to 1,008,712.71, 1,512,773.78 and 830,778.39 is: 1,245,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,712.71 : 1,512,773.78 = 830,778.39 : x
  2. Step 2: Convert to fraction form
    1,008,712.71/1,512,773.78 = 830,778.39/x
  3. Step 3: Cross multiply
    1,008,712.71x = 1,512,773.78 × 830,778.39
  4. Step 4: Simplify right side
    1,008,712.71x = 1,256,779,761,228.72
  5. Step 5: Solve for x
    x = 1,256,779,761,228.72/1,008,712.71
  6. Step 6: Final answer
    x = 1,245,924.38

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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.