Home / 1,047,808.72-1,571,724.06-838,775.44

Finding the Fourth Proportional to 1,047,808.72, 1,571,724.06 and 838,775.44

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Solution

The fourth proportional to 1,047,808.72, 1,571,724.06 and 838,775.44 is: 1,258,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,808.72 : 1,571,724.06 = 838,775.44 : x
  2. Step 2: Convert to fraction form
    1,047,808.72/1,571,724.06 = 838,775.44/x
  3. Step 3: Cross multiply
    1,047,808.72x = 1,571,724.06 × 838,775.44
  4. Step 4: Simplify right side
    1,047,808.72x = 1,318,323,539,985.09
  5. Step 5: Solve for x
    x = 1,318,323,539,985.09/1,047,808.72
  6. Step 6: Final answer
    x = 1,258,171.95

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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.