Home / 1,427,371.83-2,140,202.68-454,315.82

Finding the Fourth Proportional to 1,427,371.83, 2,140,202.68 and 454,315.82

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Solution

The fourth proportional to 1,427,371.83, 2,140,202.68 and 454,315.82 is: 681,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,371.83 : 2,140,202.68 = 454,315.82 : x
  2. Step 2: Convert to fraction form
    1,427,371.83/2,140,202.68 = 454,315.82/x
  3. Step 3: Cross multiply
    1,427,371.83x = 2,140,202.68 × 454,315.82
  4. Step 4: Simplify right side
    1,427,371.83x = 972,327,931,151.46
  5. Step 5: Solve for x
    x = 972,327,931,151.46/1,427,371.83
  6. Step 6: Final answer
    x = 681,201.57

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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.