Home / 847,886.60-1,269,861.60-828,203.60

Finding the Fourth Proportional to 847,886.60, 1,269,861.60 and 828,203.60

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Solution

The fourth proportional to 847,886.60, 1,269,861.60 and 828,203.60 is: 1,240,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,886.60 : 1,269,861.60 = 828,203.60 : x
  2. Step 2: Convert to fraction form
    847,886.60/1,269,861.60 = 828,203.60/x
  3. Step 3: Cross multiply
    847,886.60x = 1,269,861.60 × 828,203.60
  4. Step 4: Simplify right side
    847,886.60x = 1,051,703,948,621.76
  5. Step 5: Solve for x
    x = 1,051,703,948,621.76/847,886.60
  6. Step 6: Final answer
    x = 1,240,382.79

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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.