Home / 1,056,415.20-1,584,622.80-981,765.60

Finding the Fourth Proportional to 1,056,415.20, 1,584,622.80 and 981,765.60

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Solution

The fourth proportional to 1,056,415.20, 1,584,622.80 and 981,765.60 is: 1,472,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,415.20 : 1,584,622.80 = 981,765.60 : x
  2. Step 2: Convert to fraction form
    1,056,415.20/1,584,622.80 = 981,765.60/x
  3. Step 3: Cross multiply
    1,056,415.20x = 1,584,622.80 × 981,765.60
  4. Step 4: Simplify right side
    1,056,415.20x = 1,555,728,154,015.68
  5. Step 5: Solve for x
    x = 1,555,728,154,015.68/1,056,415.20
  6. Step 6: Final answer
    x = 1,472,648.40

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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.