Home / 1,178,726.80-1,768,090.20-292,262.80

Finding the Fourth Proportional to 1,178,726.80, 1,768,090.20 and 292,262.80

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Solution

The fourth proportional to 1,178,726.80, 1,768,090.20 and 292,262.80 is: 438,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,726.80 : 1,768,090.20 = 292,262.80 : x
  2. Step 2: Convert to fraction form
    1,178,726.80/1,768,090.20 = 292,262.80/x
  3. Step 3: Cross multiply
    1,178,726.80x = 1,768,090.20 × 292,262.80
  4. Step 4: Simplify right side
    1,178,726.80x = 516,746,992,504.56
  5. Step 5: Solve for x
    x = 516,746,992,504.56/1,178,726.80
  6. Step 6: Final answer
    x = 438,394.20

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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.