Home / 1,112,368.40-1,668,552.60-1,068,822.80

Finding the Fourth Proportional to 1,112,368.40, 1,668,552.60 and 1,068,822.80

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Solution

The fourth proportional to 1,112,368.40, 1,668,552.60 and 1,068,822.80 is: 1,603,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,368.40 : 1,668,552.60 = 1,068,822.80 : x
  2. Step 2: Convert to fraction form
    1,112,368.40/1,668,552.60 = 1,068,822.80/x
  3. Step 3: Cross multiply
    1,112,368.40x = 1,668,552.60 × 1,068,822.80
  4. Step 4: Simplify right side
    1,112,368.40x = 1,783,387,061,879.28
  5. Step 5: Solve for x
    x = 1,783,387,061,879.28/1,112,368.40
  6. Step 6: Final answer
    x = 1,603,234.20

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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.