Home / 1,429,056.10-1,972,046.39-808,847.96

Finding the Fourth Proportional to 1,429,056.10, 1,972,046.39 and 808,847.96

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Solution

The fourth proportional to 1,429,056.10, 1,972,046.39 and 808,847.96 is: 1,116,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,056.10 : 1,972,046.39 = 808,847.96 : x
  2. Step 2: Convert to fraction form
    1,429,056.10/1,972,046.39 = 808,847.96/x
  3. Step 3: Cross multiply
    1,429,056.10x = 1,972,046.39 × 808,847.96
  4. Step 4: Simplify right side
    1,429,056.10x = 1,595,085,699,576.86
  5. Step 5: Solve for x
    x = 1,595,085,699,576.86/1,429,056.10
  6. Step 6: Final answer
    x = 1,116,181.30

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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.