Home / 1,382,601.40-2,073,999.30-783,849.40

Finding the Fourth Proportional to 1,382,601.40, 2,073,999.30 and 783,849.40

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Solution

The fourth proportional to 1,382,601.40, 2,073,999.30 and 783,849.40 is: 1,175,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,601.40 : 2,073,999.30 = 783,849.40 : x
  2. Step 2: Convert to fraction form
    1,382,601.40/2,073,999.30 = 783,849.40/x
  3. Step 3: Cross multiply
    1,382,601.40x = 2,073,999.30 × 783,849.40
  4. Step 4: Simplify right side
    1,382,601.40x = 1,625,703,106,905.42
  5. Step 5: Solve for x
    x = 1,625,703,106,905.42/1,382,601.40
  6. Step 6: Final answer
    x = 1,175,829.21

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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.