Home / 1,269,158.42-1,751,422.28-725,287.98

Finding the Fourth Proportional to 1,269,158.42, 1,751,422.28 and 725,287.98

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Solution

The fourth proportional to 1,269,158.42, 1,751,422.28 and 725,287.98 is: 1,000,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,158.42 : 1,751,422.28 = 725,287.98 : x
  2. Step 2: Convert to fraction form
    1,269,158.42/1,751,422.28 = 725,287.98/x
  3. Step 3: Cross multiply
    1,269,158.42x = 1,751,422.28 × 725,287.98
  4. Step 4: Simplify right side
    1,269,158.42x = 1,270,285,527,588.19
  5. Step 5: Solve for x
    x = 1,270,285,527,588.19/1,269,158.42
  6. Step 6: Final answer
    x = 1,000,888.07

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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.