Home / 1,197,791.10-1,796,686.65-772,638.30

Finding the Fourth Proportional to 1,197,791.10, 1,796,686.65 and 772,638.30

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Solution

The fourth proportional to 1,197,791.10, 1,796,686.65 and 772,638.30 is: 1,158,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,791.10 : 1,796,686.65 = 772,638.30 : x
  2. Step 2: Convert to fraction form
    1,197,791.10/1,796,686.65 = 772,638.30/x
  3. Step 3: Cross multiply
    1,197,791.10x = 1,796,686.65 × 772,638.30
  4. Step 4: Simplify right side
    1,197,791.10x = 1,388,188,918,888.70
  5. Step 5: Solve for x
    x = 1,388,188,918,888.70/1,197,791.10
  6. Step 6: Final answer
    x = 1,158,957.45

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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.