Home / 1,415,228.58-1,953,015.57-770,648.58

Finding the Fourth Proportional to 1,415,228.58, 1,953,015.57 and 770,648.58

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Solution

The fourth proportional to 1,415,228.58, 1,953,015.57 and 770,648.58 is: 1,063,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,228.58 : 1,953,015.57 = 770,648.58 : x
  2. Step 2: Convert to fraction form
    1,415,228.58/1,953,015.57 = 770,648.58/x
  3. Step 3: Cross multiply
    1,415,228.58x = 1,953,015.57 × 770,648.58
  4. Step 4: Simplify right side
    1,415,228.58x = 1,505,088,675,738.39
  5. Step 5: Solve for x
    x = 1,505,088,675,738.39/1,415,228.58
  6. Step 6: Final answer
    x = 1,063,495.11

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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.