Home / 1,137,920.94-1,706,293.35-418,078.80

Finding the Fourth Proportional to 1,137,920.94, 1,706,293.35 and 418,078.80

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Solution

The fourth proportional to 1,137,920.94, 1,706,293.35 and 418,078.80 is: 626,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,920.94 : 1,706,293.35 = 418,078.80 : x
  2. Step 2: Convert to fraction form
    1,137,920.94/1,706,293.35 = 418,078.80/x
  3. Step 3: Cross multiply
    1,137,920.94x = 1,706,293.35 × 418,078.80
  4. Step 4: Simplify right side
    1,137,920.94x = 713,365,076,215.98
  5. Step 5: Solve for x
    x = 713,365,076,215.98/1,137,920.94
  6. Step 6: Final answer
    x = 626,902.14

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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.