Home / 1,013,945.80-1,397,754.46-771,806.62

Finding the Fourth Proportional to 1,013,945.80, 1,397,754.46 and 771,806.62

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Solution

The fourth proportional to 1,013,945.80, 1,397,754.46 and 771,806.62 is: 1,063,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,945.80 : 1,397,754.46 = 771,806.62 : x
  2. Step 2: Convert to fraction form
    1,013,945.80/1,397,754.46 = 771,806.62/x
  3. Step 3: Cross multiply
    1,013,945.80x = 1,397,754.46 × 771,806.62
  4. Step 4: Simplify right side
    1,013,945.80x = 1,078,796,145,362.53
  5. Step 5: Solve for x
    x = 1,078,796,145,362.53/1,013,945.80
  6. Step 6: Final answer
    x = 1,063,958.39

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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.