Home / 1,226,284.18-1,838,759.10-427,351.21

Finding the Fourth Proportional to 1,226,284.18, 1,838,759.10 and 427,351.21

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Solution

The fourth proportional to 1,226,284.18, 1,838,759.10 and 427,351.21 is: 640,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,284.18 : 1,838,759.10 = 427,351.21 : x
  2. Step 2: Convert to fraction form
    1,226,284.18/1,838,759.10 = 427,351.21/x
  3. Step 3: Cross multiply
    1,226,284.18x = 1,838,759.10 × 427,351.21
  4. Step 4: Simplify right side
    1,226,284.18x = 785,795,926,283.51
  5. Step 5: Solve for x
    x = 785,795,926,283.51/1,226,284.18
  6. Step 6: Final answer
    x = 640,794.31

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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.