Home / 816,192.60-1,224,288.90-729,101.40

Finding the Fourth Proportional to 816,192.60, 1,224,288.90 and 729,101.40

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Solution

The fourth proportional to 816,192.60, 1,224,288.90 and 729,101.40 is: 1,093,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,192.60 : 1,224,288.90 = 729,101.40 : x
  2. Step 2: Convert to fraction form
    816,192.60/1,224,288.90 = 729,101.40/x
  3. Step 3: Cross multiply
    816,192.60x = 1,224,288.90 × 729,101.40
  4. Step 4: Simplify right side
    816,192.60x = 892,630,750,994.46
  5. Step 5: Solve for x
    x = 892,630,750,994.46/816,192.60
  6. Step 6: Final answer
    x = 1,093,652.10

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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.