Home / 824,419.60-1,236,629.40-743,063.20

Finding the Fourth Proportional to 824,419.60, 1,236,629.40 and 743,063.20

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Solution

The fourth proportional to 824,419.60, 1,236,629.40 and 743,063.20 is: 1,114,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,419.60 : 1,236,629.40 = 743,063.20 : x
  2. Step 2: Convert to fraction form
    824,419.60/1,236,629.40 = 743,063.20/x
  3. Step 3: Cross multiply
    824,419.60x = 1,236,629.40 × 743,063.20
  4. Step 4: Simplify right side
    824,419.60x = 918,893,799,178.08
  5. Step 5: Solve for x
    x = 918,893,799,178.08/824,419.60
  6. Step 6: Final answer
    x = 1,114,594.80

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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.