Home / 821,672.40-1,232,508.60-683,432.40

Finding the Fourth Proportional to 821,672.40, 1,232,508.60 and 683,432.40

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Solution

The fourth proportional to 821,672.40, 1,232,508.60 and 683,432.40 is: 1,025,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,672.40 : 1,232,508.60 = 683,432.40 : x
  2. Step 2: Convert to fraction form
    821,672.40/1,232,508.60 = 683,432.40/x
  3. Step 3: Cross multiply
    821,672.40x = 1,232,508.60 × 683,432.40
  4. Step 4: Simplify right side
    821,672.40x = 842,336,310,518.64
  5. Step 5: Solve for x
    x = 842,336,310,518.64/821,672.40
  6. Step 6: Final answer
    x = 1,025,148.60

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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.