Home / 1,383,383.93-1,909,073.22-771,576.32

Finding the Fourth Proportional to 1,383,383.93, 1,909,073.22 and 771,576.32

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Solution

The fourth proportional to 1,383,383.93, 1,909,073.22 and 771,576.32 is: 1,064,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,383.93 : 1,909,073.22 = 771,576.32 : x
  2. Step 2: Convert to fraction form
    1,383,383.93/1,909,073.22 = 771,576.32/x
  3. Step 3: Cross multiply
    1,383,383.93x = 1,909,073.22 × 771,576.32
  4. Step 4: Simplify right side
    1,383,383.93x = 1,472,995,694,470.83
  5. Step 5: Solve for x
    x = 1,472,995,694,470.83/1,383,383.93
  6. Step 6: Final answer
    x = 1,064,777.22

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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.