Home / 1,462,103.80-2,193,155.70-515,159.80

Finding the Fourth Proportional to 1,462,103.80, 2,193,155.70 and 515,159.80

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Solution

The fourth proportional to 1,462,103.80, 2,193,155.70 and 515,159.80 is: 772,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,103.80 : 2,193,155.70 = 515,159.80 : x
  2. Step 2: Convert to fraction form
    1,462,103.80/2,193,155.70 = 515,159.80/x
  3. Step 3: Cross multiply
    1,462,103.80x = 2,193,155.70 × 515,159.80
  4. Step 4: Simplify right side
    1,462,103.80x = 1,129,825,651,780.86
  5. Step 5: Solve for x
    x = 1,129,825,651,780.86/1,462,103.80
  6. Step 6: Final answer
    x = 772,739.70

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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.