Home / 1,041,305.40-1,562,103.90-442,261.80

Finding the Fourth Proportional to 1,041,305.40, 1,562,103.90 and 442,261.80

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Solution

The fourth proportional to 1,041,305.40, 1,562,103.90 and 442,261.80 is: 663,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,305.40 : 1,562,103.90 = 442,261.80 : x
  2. Step 2: Convert to fraction form
    1,041,305.40/1,562,103.90 = 442,261.80/x
  3. Step 3: Cross multiply
    1,041,305.40x = 1,562,103.90 × 442,261.80
  4. Step 4: Simplify right side
    1,041,305.40x = 690,858,882,601.02
  5. Step 5: Solve for x
    x = 690,858,882,601.02/1,041,305.40
  6. Step 6: Final answer
    x = 663,454.62

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Double scale
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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.