Home / 989,754.30-1,485,377.82-724,199.94

Finding the Fourth Proportional to 989,754.30, 1,485,377.82 and 724,199.94

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Solution

The fourth proportional to 989,754.30, 1,485,377.82 and 724,199.94 is: 1,086,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,754.30 : 1,485,377.82 = 724,199.94 : x
  2. Step 2: Convert to fraction form
    989,754.30/1,485,377.82 = 724,199.94/x
  3. Step 3: Cross multiply
    989,754.30x = 1,485,377.82 × 724,199.94
  4. Step 4: Simplify right side
    989,754.30x = 1,075,710,528,121.33
  5. Step 5: Solve for x
    x = 1,075,710,528,121.33/989,754.30
  6. Step 6: Final answer
    x = 1,086,846.03

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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.