Home / 1,427,324.32-2,140,278.09-454,561.77

Finding the Fourth Proportional to 1,427,324.32, 2,140,278.09 and 454,561.77

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Solution

The fourth proportional to 1,427,324.32, 2,140,278.09 and 454,561.77 is: 681,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,324.32 : 2,140,278.09 = 454,561.77 : x
  2. Step 2: Convert to fraction form
    1,427,324.32/2,140,278.09 = 454,561.77/x
  3. Step 3: Cross multiply
    1,427,324.32x = 2,140,278.09 × 454,561.77
  4. Step 4: Simplify right side
    1,427,324.32x = 972,888,603,204.06
  5. Step 5: Solve for x
    x = 972,888,603,204.06/1,427,324.32
  6. Step 6: Final answer
    x = 681,617.06

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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.