Home / 1,047,807.72-1,571,722.56-838,774.44

Finding the Fourth Proportional to 1,047,807.72, 1,571,722.56 and 838,774.44

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Solution

The fourth proportional to 1,047,807.72, 1,571,722.56 and 838,774.44 is: 1,258,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,807.72 : 1,571,722.56 = 838,774.44 : x
  2. Step 2: Convert to fraction form
    1,047,807.72/1,571,722.56 = 838,774.44/x
  3. Step 3: Cross multiply
    1,047,807.72x = 1,571,722.56 × 838,774.44
  4. Step 4: Simplify right side
    1,047,807.72x = 1,318,320,710,099.37
  5. Step 5: Solve for x
    x = 1,318,320,710,099.37/1,047,807.72
  6. Step 6: Final answer
    x = 1,258,170.45

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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.