Home / 1,550,120.79-2,321,816.10-749,723.90

Finding the Fourth Proportional to 1,550,120.79, 2,321,816.10 and 749,723.90

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Solution

The fourth proportional to 1,550,120.79, 2,321,816.10 and 749,723.90 is: 1,122,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,120.79 : 2,321,816.10 = 749,723.90 : x
  2. Step 2: Convert to fraction form
    1,550,120.79/2,321,816.10 = 749,723.90/x
  3. Step 3: Cross multiply
    1,550,120.79x = 2,321,816.10 × 749,723.90
  4. Step 4: Simplify right side
    1,550,120.79x = 1,740,721,009,965.71
  5. Step 5: Solve for x
    x = 1,740,721,009,965.71/1,550,120.79
  6. Step 6: Final answer
    x = 1,122,958.30

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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.