Home / 1,137,821.93-1,706,161.47-379,394.90

Finding the Fourth Proportional to 1,137,821.93, 1,706,161.47 and 379,394.90

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Solution

The fourth proportional to 1,137,821.93, 1,706,161.47 and 379,394.90 is: 568,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,821.93 : 1,706,161.47 = 379,394.90 : x
  2. Step 2: Convert to fraction form
    1,137,821.93/1,706,161.47 = 379,394.90/x
  3. Step 3: Cross multiply
    1,137,821.93x = 1,706,161.47 × 379,394.90
  4. Step 4: Simplify right side
    1,137,821.93x = 647,308,960,294.50
  5. Step 5: Solve for x
    x = 647,308,960,294.50/1,137,821.93
  6. Step 6: Final answer
    x = 568,901.81

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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.