Home / 1,348,786.45-1,861,303.28-736,926.05

Finding the Fourth Proportional to 1,348,786.45, 1,861,303.28 and 736,926.05

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Solution

The fourth proportional to 1,348,786.45, 1,861,303.28 and 736,926.05 is: 1,016,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,786.45 : 1,861,303.28 = 736,926.05 : x
  2. Step 2: Convert to fraction form
    1,348,786.45/1,861,303.28 = 736,926.05/x
  3. Step 3: Cross multiply
    1,348,786.45x = 1,861,303.28 × 736,926.05
  4. Step 4: Simplify right side
    1,348,786.45x = 1,371,642,873,982.44
  5. Step 5: Solve for x
    x = 1,371,642,873,982.44/1,348,786.45
  6. Step 6: Final answer
    x = 1,016,945.92

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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.