Home / 1,000,586.55-1,379,876.53-926,277.15

Finding the Fourth Proportional to 1,000,586.55, 1,379,876.53 and 926,277.15

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Solution

The fourth proportional to 1,000,586.55, 1,379,876.53 and 926,277.15 is: 1,277,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,586.55 : 1,379,876.53 = 926,277.15 : x
  2. Step 2: Convert to fraction form
    1,000,586.55/1,379,876.53 = 926,277.15/x
  3. Step 3: Cross multiply
    1,000,586.55x = 1,379,876.53 × 926,277.15
  4. Step 4: Simplify right side
    1,000,586.55x = 1,278,148,099,560.29
  5. Step 5: Solve for x
    x = 1,278,148,099,560.29/1,000,586.55
  6. Step 6: Final answer
    x = 1,277,398.84

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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.