Home / 1,155,212.74-1,732,450.56-396,871.30

Finding the Fourth Proportional to 1,155,212.74, 1,732,450.56 and 396,871.30

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Solution

The fourth proportional to 1,155,212.74, 1,732,450.56 and 396,871.30 is: 595,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,212.74 : 1,732,450.56 = 396,871.30 : x
  2. Step 2: Convert to fraction form
    1,155,212.74/1,732,450.56 = 396,871.30/x
  3. Step 3: Cross multiply
    1,155,212.74x = 1,732,450.56 × 396,871.30
  4. Step 4: Simplify right side
    1,155,212.74x = 687,559,905,932.93
  5. Step 5: Solve for x
    x = 687,559,905,932.93/1,155,212.74
  6. Step 6: Final answer
    x = 595,180.34

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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.