Home / 1,214,216.70-1,821,325.05-372,767.10

Finding the Fourth Proportional to 1,214,216.70, 1,821,325.05 and 372,767.10

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Solution

The fourth proportional to 1,214,216.70, 1,821,325.05 and 372,767.10 is: 559,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,216.70 : 1,821,325.05 = 372,767.10 : x
  2. Step 2: Convert to fraction form
    1,214,216.70/1,821,325.05 = 372,767.10/x
  3. Step 3: Cross multiply
    1,214,216.70x = 1,821,325.05 × 372,767.10
  4. Step 4: Simplify right side
    1,214,216.70x = 678,930,057,045.86
  5. Step 5: Solve for x
    x = 678,930,057,045.86/1,214,216.70
  6. Step 6: Final answer
    x = 559,150.65

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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.