Home / 1,197,769.60-1,796,654.40-772,616.80

Finding the Fourth Proportional to 1,197,769.60, 1,796,654.40 and 772,616.80

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Solution

The fourth proportional to 1,197,769.60, 1,796,654.40 and 772,616.80 is: 1,158,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,769.60 : 1,796,654.40 = 772,616.80 : x
  2. Step 2: Convert to fraction form
    1,197,769.60/1,796,654.40 = 772,616.80/x
  3. Step 3: Cross multiply
    1,197,769.60x = 1,796,654.40 × 772,616.80
  4. Step 4: Simplify right side
    1,197,769.60x = 1,388,125,373,233.92
  5. Step 5: Solve for x
    x = 1,388,125,373,233.92/1,197,769.60
  6. Step 6: Final answer
    x = 1,158,925.20

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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.