Home / 1,377,652.05-2,066,182.83-430,899.75

Finding the Fourth Proportional to 1,377,652.05, 2,066,182.83 and 430,899.75

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Solution

The fourth proportional to 1,377,652.05, 2,066,182.83 and 430,899.75 is: 646,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,652.05 : 2,066,182.83 = 430,899.75 : x
  2. Step 2: Convert to fraction form
    1,377,652.05/2,066,182.83 = 430,899.75/x
  3. Step 3: Cross multiply
    1,377,652.05x = 2,066,182.83 × 430,899.75
  4. Step 4: Simplify right side
    1,377,652.05x = 890,317,664,901.29
  5. Step 5: Solve for x
    x = 890,317,664,901.29/1,377,652.05
  6. Step 6: Final answer
    x = 646,257.28

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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.