Home / 1,162,852.80-1,744,279.20-764,721.60

Finding the Fourth Proportional to 1,162,852.80, 1,744,279.20 and 764,721.60

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Solution

The fourth proportional to 1,162,852.80, 1,744,279.20 and 764,721.60 is: 1,147,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,852.80 : 1,744,279.20 = 764,721.60 : x
  2. Step 2: Convert to fraction form
    1,162,852.80/1,744,279.20 = 764,721.60/x
  3. Step 3: Cross multiply
    1,162,852.80x = 1,744,279.20 × 764,721.60
  4. Step 4: Simplify right side
    1,162,852.80x = 1,333,887,980,670.72
  5. Step 5: Solve for x
    x = 1,333,887,980,670.72/1,162,852.80
  6. Step 6: Final answer
    x = 1,147,082.40

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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.