Home / 1,047,801.72-1,571,713.56-838,768.44

Finding the Fourth Proportional to 1,047,801.72, 1,571,713.56 and 838,768.44

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Solution

The fourth proportional to 1,047,801.72, 1,571,713.56 and 838,768.44 is: 1,258,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,801.72 : 1,571,713.56 = 838,768.44 : x
  2. Step 2: Convert to fraction form
    1,047,801.72/1,571,713.56 = 838,768.44/x
  3. Step 3: Cross multiply
    1,047,801.72x = 1,571,713.56 × 838,768.44
  4. Step 4: Simplify right side
    1,047,801.72x = 1,318,303,730,848.05
  5. Step 5: Solve for x
    x = 1,318,303,730,848.05/1,047,801.72
  6. Step 6: Final answer
    x = 1,258,161.45

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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.