Home / 1,284,128.82-1,926,730.84-564,099.14

Finding the Fourth Proportional to 1,284,128.82, 1,926,730.84 and 564,099.14

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Solution

The fourth proportional to 1,284,128.82, 1,926,730.84 and 564,099.14 is: 846,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,128.82 : 1,926,730.84 = 564,099.14 : x
  2. Step 2: Convert to fraction form
    1,284,128.82/1,926,730.84 = 564,099.14/x
  3. Step 3: Cross multiply
    1,284,128.82x = 1,926,730.84 × 564,099.14
  4. Step 4: Simplify right side
    1,284,128.82x = 1,086,867,209,855.48
  5. Step 5: Solve for x
    x = 1,086,867,209,855.48/1,284,128.82
  6. Step 6: Final answer
    x = 846,384.87

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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.