Home / 1,102,187.40-1,653,183.90-303,397.80

Finding the Fourth Proportional to 1,102,187.40, 1,653,183.90 and 303,397.80

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Solution

The fourth proportional to 1,102,187.40, 1,653,183.90 and 303,397.80 is: 455,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,187.40 : 1,653,183.90 = 303,397.80 : x
  2. Step 2: Convert to fraction form
    1,102,187.40/1,653,183.90 = 303,397.80/x
  3. Step 3: Cross multiply
    1,102,187.40x = 1,653,183.90 × 303,397.80
  4. Step 4: Simplify right side
    1,102,187.40x = 501,572,358,255.42
  5. Step 5: Solve for x
    x = 501,572,358,255.42/1,102,187.40
  6. Step 6: Final answer
    x = 455,069.94

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Double scale
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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.