Home / 1,377,306.28-2,066,078.49-380,034.28

Finding the Fourth Proportional to 1,377,306.28, 2,066,078.49 and 380,034.28

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Solution

The fourth proportional to 1,377,306.28, 2,066,078.49 and 380,034.28 is: 570,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,306.28 : 2,066,078.49 = 380,034.28 : x
  2. Step 2: Convert to fraction form
    1,377,306.28/2,066,078.49 = 380,034.28/x
  3. Step 3: Cross multiply
    1,377,306.28x = 2,066,078.49 × 380,034.28
  4. Step 4: Simplify right side
    1,377,306.28x = 785,180,654,665.80
  5. Step 5: Solve for x
    x = 785,180,654,665.80/1,377,306.28
  6. Step 6: Final answer
    x = 570,084.28

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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.