Home / 829,864.80-1,244,797.20-756,381.60

Finding the Fourth Proportional to 829,864.80, 1,244,797.20 and 756,381.60

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Solution

The fourth proportional to 829,864.80, 1,244,797.20 and 756,381.60 is: 1,134,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,864.80 : 1,244,797.20 = 756,381.60 : x
  2. Step 2: Convert to fraction form
    829,864.80/1,244,797.20 = 756,381.60/x
  3. Step 3: Cross multiply
    829,864.80x = 1,244,797.20 × 756,381.60
  4. Step 4: Simplify right side
    829,864.80x = 941,541,697,811.52
  5. Step 5: Solve for x
    x = 941,541,697,811.52/829,864.80
  6. Step 6: Final answer
    x = 1,134,572.40

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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.