Home / 1,119,769.20-1,679,653.80-371,815.20

Finding the Fourth Proportional to 1,119,769.20, 1,679,653.80 and 371,815.20

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Solution

The fourth proportional to 1,119,769.20, 1,679,653.80 and 371,815.20 is: 557,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,769.20 : 1,679,653.80 = 371,815.20 : x
  2. Step 2: Convert to fraction form
    1,119,769.20/1,679,653.80 = 371,815.20/x
  3. Step 3: Cross multiply
    1,119,769.20x = 1,679,653.80 × 371,815.20
  4. Step 4: Simplify right side
    1,119,769.20x = 624,520,813,577.76
  5. Step 5: Solve for x
    x = 624,520,813,577.76/1,119,769.20
  6. Step 6: Final answer
    x = 557,722.80

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1.5x scale

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.