Home / 1,119,783.20-1,679,674.80-699,879.20

Finding the Fourth Proportional to 1,119,783.20, 1,679,674.80 and 699,879.20

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Solution

The fourth proportional to 1,119,783.20, 1,679,674.80 and 699,879.20 is: 1,049,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,783.20 : 1,679,674.80 = 699,879.20 : x
  2. Step 2: Convert to fraction form
    1,119,783.20/1,679,674.80 = 699,879.20/x
  3. Step 3: Cross multiply
    1,119,783.20x = 1,679,674.80 × 699,879.20
  4. Step 4: Simplify right side
    1,119,783.20x = 1,175,569,455,284.16
  5. Step 5: Solve for x
    x = 1,175,569,455,284.16/1,119,783.20
  6. Step 6: Final answer
    x = 1,049,818.80

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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.