Home / 1,217,116.20-1,679,491.20-673,165.56

Finding the Fourth Proportional to 1,217,116.20, 1,679,491.20 and 673,165.56

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Solution

The fourth proportional to 1,217,116.20, 1,679,491.20 and 673,165.56 is: 928,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,116.20 : 1,679,491.20 = 673,165.56 : x
  2. Step 2: Convert to fraction form
    1,217,116.20/1,679,491.20 = 673,165.56/x
  3. Step 3: Cross multiply
    1,217,116.20x = 1,679,491.20 × 673,165.56
  4. Step 4: Simplify right side
    1,217,116.20x = 1,130,575,634,163.07
  5. Step 5: Solve for x
    x = 1,130,575,634,163.07/1,217,116.20
  6. Step 6: Final answer
    x = 928,897.04

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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.