Home / 1,259,755.28-1,889,931-501,640.64

Finding the Fourth Proportional to 1,259,755.28, 1,889,931 and 501,640.64

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Solution

The fourth proportional to 1,259,755.28, 1,889,931 and 501,640.64 is: 752,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,755.28 : 1,889,931 = 501,640.64 : x
  2. Step 2: Convert to fraction form
    1,259,755.28/1,889,931 = 501,640.64/x
  3. Step 3: Cross multiply
    1,259,755.28x = 1,889,931 × 501,640.64
  4. Step 4: Simplify right side
    1,259,755.28x = 948,066,196,395.84
  5. Step 5: Solve for x
    x = 948,066,196,395.84/1,259,755.28
  6. Step 6: Final answer
    x = 752,579.66

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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.