Home / 1,310,915.67-1,809,331.62-827,154.93

Finding the Fourth Proportional to 1,310,915.67, 1,809,331.62 and 827,154.93

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Solution

The fourth proportional to 1,310,915.67, 1,809,331.62 and 827,154.93 is: 1,141,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,915.67 : 1,809,331.62 = 827,154.93 : x
  2. Step 2: Convert to fraction form
    1,310,915.67/1,809,331.62 = 827,154.93/x
  3. Step 3: Cross multiply
    1,310,915.67x = 1,809,331.62 × 827,154.93
  4. Step 4: Simplify right side
    1,310,915.67x = 1,496,597,569,487.89
  5. Step 5: Solve for x
    x = 1,496,597,569,487.89/1,310,915.67
  6. Step 6: Final answer
    x = 1,141,642.90

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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.