Home / 1,276,477.38-1,914,996.06-377,989.20

Finding the Fourth Proportional to 1,276,477.38, 1,914,996.06 and 377,989.20

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Solution

The fourth proportional to 1,276,477.38, 1,914,996.06 and 377,989.20 is: 567,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,477.38 : 1,914,996.06 = 377,989.20 : x
  2. Step 2: Convert to fraction form
    1,276,477.38/1,914,996.06 = 377,989.20/x
  3. Step 3: Cross multiply
    1,276,477.38x = 1,914,996.06 × 377,989.20
  4. Step 4: Simplify right side
    1,276,477.38x = 723,847,828,722.55
  5. Step 5: Solve for x
    x = 723,847,828,722.55/1,276,477.38
  6. Step 6: Final answer
    x = 567,066.71

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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.