Home / 1,214,072.90-1,820,681.78-404,237.42

Finding the Fourth Proportional to 1,214,072.90, 1,820,681.78 and 404,237.42

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Solution

The fourth proportional to 1,214,072.90, 1,820,681.78 and 404,237.42 is: 606,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,072.90 : 1,820,681.78 = 404,237.42 : x
  2. Step 2: Convert to fraction form
    1,214,072.90/1,820,681.78 = 404,237.42/x
  3. Step 3: Cross multiply
    1,214,072.90x = 1,820,681.78 × 404,237.42
  4. Step 4: Simplify right side
    1,214,072.90x = 735,987,694,263.61
  5. Step 5: Solve for x
    x = 735,987,694,263.61/1,214,072.90
  6. Step 6: Final answer
    x = 606,213.76

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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.