Home / 1,351,515.66-1,865,074.86-739,665.96

Finding the Fourth Proportional to 1,351,515.66, 1,865,074.86 and 739,665.96

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Solution

The fourth proportional to 1,351,515.66, 1,865,074.86 and 739,665.96 is: 1,020,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,515.66 : 1,865,074.86 = 739,665.96 : x
  2. Step 2: Convert to fraction form
    1,351,515.66/1,865,074.86 = 739,665.96/x
  3. Step 3: Cross multiply
    1,351,515.66x = 1,865,074.86 × 739,665.96
  4. Step 4: Simplify right side
    1,351,515.66x = 1,379,532,386,793.77
  5. Step 5: Solve for x
    x = 1,379,532,386,793.77/1,351,515.66
  6. Step 6: Final answer
    x = 1,020,729.86

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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.