Home / 1,427,373.83-2,140,205.68-454,317.82

Finding the Fourth Proportional to 1,427,373.83, 2,140,205.68 and 454,317.82

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Solution

The fourth proportional to 1,427,373.83, 2,140,205.68 and 454,317.82 is: 681,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,373.83 : 2,140,205.68 = 454,317.82 : x
  2. Step 2: Convert to fraction form
    1,427,373.83/2,140,205.68 = 454,317.82/x
  3. Step 3: Cross multiply
    1,427,373.83x = 2,140,205.68 × 454,317.82
  4. Step 4: Simplify right side
    1,427,373.83x = 972,333,578,889.22
  5. Step 5: Solve for x
    x = 972,333,578,889.22/1,427,373.83
  6. Step 6: Final answer
    x = 681,204.57

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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.