Home / 1,415,220.06-1,953,004.32-770,640.24

Finding the Fourth Proportional to 1,415,220.06, 1,953,004.32 and 770,640.24

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Solution

The fourth proportional to 1,415,220.06, 1,953,004.32 and 770,640.24 is: 1,063,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,220.06 : 1,953,004.32 = 770,640.24 : x
  2. Step 2: Convert to fraction form
    1,415,220.06/1,953,004.32 = 770,640.24/x
  3. Step 3: Cross multiply
    1,415,220.06x = 1,953,004.32 × 770,640.24
  4. Step 4: Simplify right side
    1,415,220.06x = 1,505,063,717,885.84
  5. Step 5: Solve for x
    x = 1,505,063,717,885.84/1,415,220.06
  6. Step 6: Final answer
    x = 1,063,483.88

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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.