Home / 1,377,614.88-2,066,419.44-380,340

Finding the Fourth Proportional to 1,377,614.88, 2,066,419.44 and 380,340

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Solution

The fourth proportional to 1,377,614.88, 2,066,419.44 and 380,340 is: 570,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,614.88 : 2,066,419.44 = 380,340 : x
  2. Step 2: Convert to fraction form
    1,377,614.88/2,066,419.44 = 380,340/x
  3. Step 3: Cross multiply
    1,377,614.88x = 2,066,419.44 × 380,340
  4. Step 4: Simplify right side
    1,377,614.88x = 785,941,969,809.60
  5. Step 5: Solve for x
    x = 785,941,969,809.60/1,377,614.88
  6. Step 6: Final answer
    x = 570,509.20

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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.