Home / 1,122,078.90-1,684,175.40-589,981.80

Finding the Fourth Proportional to 1,122,078.90, 1,684,175.40 and 589,981.80

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Solution

The fourth proportional to 1,122,078.90, 1,684,175.40 and 589,981.80 is: 885,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,078.90 : 1,684,175.40 = 589,981.80 : x
  2. Step 2: Convert to fraction form
    1,122,078.90/1,684,175.40 = 589,981.80/x
  3. Step 3: Cross multiply
    1,122,078.90x = 1,684,175.40 × 589,981.80
  4. Step 4: Simplify right side
    1,122,078.90x = 993,632,834,007.72
  5. Step 5: Solve for x
    x = 993,632,834,007.72/1,122,078.90
  6. Step 6: Final answer
    x = 885,528.49

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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.