Home / 1,377,329.13-2,066,112.76-380,057.13

Finding the Fourth Proportional to 1,377,329.13, 2,066,112.76 and 380,057.13

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Solution

The fourth proportional to 1,377,329.13, 2,066,112.76 and 380,057.13 is: 570,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,329.13 : 2,066,112.76 = 380,057.13 : x
  2. Step 2: Convert to fraction form
    1,377,329.13/2,066,112.76 = 380,057.13/x
  3. Step 3: Cross multiply
    1,377,329.13x = 2,066,112.76 × 380,057.13
  4. Step 4: Simplify right side
    1,377,329.13x = 785,240,885,821.98
  5. Step 5: Solve for x
    x = 785,240,885,821.98/1,377,329.13
  6. Step 6: Final answer
    x = 570,118.55

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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.