Home / 1,452,101.80-2,178,152.70-822,245.80

Finding the Fourth Proportional to 1,452,101.80, 2,178,152.70 and 822,245.80

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Solution

The fourth proportional to 1,452,101.80, 2,178,152.70 and 822,245.80 is: 1,233,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,101.80 : 2,178,152.70 = 822,245.80 : x
  2. Step 2: Convert to fraction form
    1,452,101.80/2,178,152.70 = 822,245.80/x
  3. Step 3: Cross multiply
    1,452,101.80x = 2,178,152.70 × 822,245.80
  4. Step 4: Simplify right side
    1,452,101.80x = 1,790,976,909,333.66
  5. Step 5: Solve for x
    x = 1,790,976,909,333.66/1,452,101.80
  6. Step 6: Final answer
    x = 1,233,368.70

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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.