Home / 1,213,491.26-1,674,607.40-662,217.88

Finding the Fourth Proportional to 1,213,491.26, 1,674,607.40 and 662,217.88

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Solution

The fourth proportional to 1,213,491.26, 1,674,607.40 and 662,217.88 is: 913,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,491.26 : 1,674,607.40 = 662,217.88 : x
  2. Step 2: Convert to fraction form
    1,213,491.26/1,674,607.40 = 662,217.88/x
  3. Step 3: Cross multiply
    1,213,491.26x = 1,674,607.40 × 662,217.88
  4. Step 4: Simplify right side
    1,213,491.26x = 1,108,954,959,729.34
  5. Step 5: Solve for x
    x = 1,108,954,959,729.34/1,213,491.26
  6. Step 6: Final answer
    x = 913,854.92

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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.