Home / 1,437,867.20-1,984,893.12-928,817.60

Finding the Fourth Proportional to 1,437,867.20, 1,984,893.12 and 928,817.60

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Solution

The fourth proportional to 1,437,867.20, 1,984,893.12 and 928,817.60 is: 1,282,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,867.20 : 1,984,893.12 = 928,817.60 : x
  2. Step 2: Convert to fraction form
    1,437,867.20/1,984,893.12 = 928,817.60/x
  3. Step 3: Cross multiply
    1,437,867.20x = 1,984,893.12 × 928,817.60
  4. Step 4: Simplify right side
    1,437,867.20x = 1,843,603,663,974.91
  5. Step 5: Solve for x
    x = 1,843,603,663,974.91/1,437,867.20
  6. Step 6: Final answer
    x = 1,282,179.37

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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.