Home / 1,137,859.70-1,706,909.63-379,436.85

Finding the Fourth Proportional to 1,137,859.70, 1,706,909.63 and 379,436.85

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Solution

The fourth proportional to 1,137,859.70, 1,706,909.63 and 379,436.85 is: 569,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,859.70 : 1,706,909.63 = 379,436.85 : x
  2. Step 2: Convert to fraction form
    1,137,859.70/1,706,909.63 = 379,436.85/x
  3. Step 3: Cross multiply
    1,137,859.70x = 1,706,909.63 × 379,436.85
  4. Step 4: Simplify right side
    1,137,859.70x = 647,664,411,344.68
  5. Step 5: Solve for x
    x = 647,664,411,344.68/1,137,859.70
  6. Step 6: Final answer
    x = 569,195.32

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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.