Home / 1,760,253.40-2,642,129.70-862,708.60

Finding the Fourth Proportional to 1,760,253.40, 2,642,129.70 and 862,708.60

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Solution

The fourth proportional to 1,760,253.40, 2,642,129.70 and 862,708.60 is: 1,294,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,253.40 : 2,642,129.70 = 862,708.60 : x
  2. Step 2: Convert to fraction form
    1,760,253.40/2,642,129.70 = 862,708.60/x
  3. Step 3: Cross multiply
    1,760,253.40x = 2,642,129.70 × 862,708.60
  4. Step 4: Simplify right side
    1,760,253.40x = 2,279,388,014,505.42
  5. Step 5: Solve for x
    x = 2,279,388,014,505.42/1,760,253.40
  6. Step 6: Final answer
    x = 1,294,920.39

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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.