Home / 1,166,556.80-1,749,835.20-788,643.20

Finding the Fourth Proportional to 1,166,556.80, 1,749,835.20 and 788,643.20

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Solution

The fourth proportional to 1,166,556.80, 1,749,835.20 and 788,643.20 is: 1,182,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,556.80 : 1,749,835.20 = 788,643.20 : x
  2. Step 2: Convert to fraction form
    1,166,556.80/1,749,835.20 = 788,643.20/x
  3. Step 3: Cross multiply
    1,166,556.80x = 1,749,835.20 × 788,643.20
  4. Step 4: Simplify right side
    1,166,556.80x = 1,379,995,631,600.64
  5. Step 5: Solve for x
    x = 1,379,995,631,600.64/1,166,556.80
  6. Step 6: Final answer
    x = 1,182,964.80

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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.