Home / 1,318,359.48-1,977,723.03-407,616.30

Finding the Fourth Proportional to 1,318,359.48, 1,977,723.03 and 407,616.30

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Solution

The fourth proportional to 1,318,359.48, 1,977,723.03 and 407,616.30 is: 611,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,359.48 : 1,977,723.03 = 407,616.30 : x
  2. Step 2: Convert to fraction form
    1,318,359.48/1,977,723.03 = 407,616.30/x
  3. Step 3: Cross multiply
    1,318,359.48x = 1,977,723.03 × 407,616.30
  4. Step 4: Simplify right side
    1,318,359.48x = 806,152,145,441.95
  5. Step 5: Solve for x
    x = 806,152,145,441.95/1,318,359.48
  6. Step 6: Final answer
    x = 611,481.28

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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.