Home / 1,377,333.56-2,066,119.38-380,061.56

Finding the Fourth Proportional to 1,377,333.56, 2,066,119.38 and 380,061.56

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Solution

The fourth proportional to 1,377,333.56, 2,066,119.38 and 380,061.56 is: 570,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,333.56 : 2,066,119.38 = 380,061.56 : x
  2. Step 2: Convert to fraction form
    1,377,333.56/2,066,119.38 = 380,061.56/x
  3. Step 3: Cross multiply
    1,377,333.56x = 2,066,119.38 × 380,061.56
  4. Step 4: Simplify right side
    1,377,333.56x = 785,252,554,709.03
  5. Step 5: Solve for x
    x = 785,252,554,709.03/1,377,333.56
  6. Step 6: Final answer
    x = 570,125.19

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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.