Home / 1,377,379.04-2,066,187.36-380,107.04

Finding the Fourth Proportional to 1,377,379.04, 2,066,187.36 and 380,107.04

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Solution

The fourth proportional to 1,377,379.04, 2,066,187.36 and 380,107.04 is: 570,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,379.04 : 2,066,187.36 = 380,107.04 : x
  2. Step 2: Convert to fraction form
    1,377,379.04/2,066,187.36 = 380,107.04/x
  3. Step 3: Cross multiply
    1,377,379.04x = 2,066,187.36 × 380,107.04
  4. Step 4: Simplify right side
    1,377,379.04x = 785,372,361,495.01
  5. Step 5: Solve for x
    x = 785,372,361,495.01/1,377,379.04
  6. Step 6: Final answer
    x = 570,193.34

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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.