Home / 1,382,744.17-1,908,608.70-802,114.03

Finding the Fourth Proportional to 1,382,744.17, 1,908,608.70 and 802,114.03

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Solution

The fourth proportional to 1,382,744.17, 1,908,608.70 and 802,114.03 is: 1,107,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,744.17 : 1,908,608.70 = 802,114.03 : x
  2. Step 2: Convert to fraction form
    1,382,744.17/1,908,608.70 = 802,114.03/x
  3. Step 3: Cross multiply
    1,382,744.17x = 1,908,608.70 × 802,114.03
  4. Step 4: Simplify right side
    1,382,744.17x = 1,530,921,816,050.06
  5. Step 5: Solve for x
    x = 1,530,921,816,050.06/1,382,744.17
  6. Step 6: Final answer
    x = 1,107,162.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.