Home / 1,396,720.56-2,095,201.68-385,842.24

Finding the Fourth Proportional to 1,396,720.56, 2,095,201.68 and 385,842.24

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Solution

The fourth proportional to 1,396,720.56, 2,095,201.68 and 385,842.24 is: 578,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,720.56 : 2,095,201.68 = 385,842.24 : x
  2. Step 2: Convert to fraction form
    1,396,720.56/2,095,201.68 = 385,842.24/x
  3. Step 3: Cross multiply
    1,396,720.56x = 2,095,201.68 × 385,842.24
  4. Step 4: Simplify right side
    1,396,720.56x = 808,417,309,462.96
  5. Step 5: Solve for x
    x = 808,417,309,462.96/1,396,720.56
  6. Step 6: Final answer
    x = 578,796.74

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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.