Home / 1,454,002.69-2,180,837.17-389,127.83

Finding the Fourth Proportional to 1,454,002.69, 2,180,837.17 and 389,127.83

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Solution

The fourth proportional to 1,454,002.69, 2,180,837.17 and 389,127.83 is: 583,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,002.69 : 2,180,837.17 = 389,127.83 : x
  2. Step 2: Convert to fraction form
    1,454,002.69/2,180,837.17 = 389,127.83/x
  3. Step 3: Cross multiply
    1,454,002.69x = 2,180,837.17 × 389,127.83
  4. Step 4: Simplify right side
    1,454,002.69x = 848,624,435,545.44
  5. Step 5: Solve for x
    x = 848,624,435,545.44/1,454,002.69
  6. Step 6: Final answer
    x = 583,647.09

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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.