Home / 1,171,804.80-1,757,707.20-285,340.80

Finding the Fourth Proportional to 1,171,804.80, 1,757,707.20 and 285,340.80

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Solution

The fourth proportional to 1,171,804.80, 1,757,707.20 and 285,340.80 is: 428,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,804.80 : 1,757,707.20 = 285,340.80 : x
  2. Step 2: Convert to fraction form
    1,171,804.80/1,757,707.20 = 285,340.80/x
  3. Step 3: Cross multiply
    1,171,804.80x = 1,757,707.20 × 285,340.80
  4. Step 4: Simplify right side
    1,171,804.80x = 501,545,578,613.76
  5. Step 5: Solve for x
    x = 501,545,578,613.76/1,171,804.80
  6. Step 6: Final answer
    x = 428,011.20

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Double scale
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Similar ratio
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1.5x scale

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.