Home / 1,351,496.46-1,865,065.85-739,648.87

Finding the Fourth Proportional to 1,351,496.46, 1,865,065.85 and 739,648.87

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Solution

The fourth proportional to 1,351,496.46, 1,865,065.85 and 739,648.87 is: 1,020,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,496.46 : 1,865,065.85 = 739,648.87 : x
  2. Step 2: Convert to fraction form
    1,351,496.46/1,865,065.85 = 739,648.87/x
  3. Step 3: Cross multiply
    1,351,496.46x = 1,865,065.85 × 739,648.87
  4. Step 4: Simplify right side
    1,351,496.46x = 1,379,493,848,428.09
  5. Step 5: Solve for x
    x = 1,379,493,848,428.09/1,351,496.46
  6. Step 6: Final answer
    x = 1,020,715.84

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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.