Home / 1,224,619.74-1,689,995.34-673,358.58

Finding the Fourth Proportional to 1,224,619.74, 1,689,995.34 and 673,358.58

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Solution

The fourth proportional to 1,224,619.74, 1,689,995.34 and 673,358.58 is: 929,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,619.74 : 1,689,995.34 = 673,358.58 : x
  2. Step 2: Convert to fraction form
    1,224,619.74/1,689,995.34 = 673,358.58/x
  3. Step 3: Cross multiply
    1,224,619.74x = 1,689,995.34 × 673,358.58
  4. Step 4: Simplify right side
    1,224,619.74x = 1,137,972,862,349.02
  5. Step 5: Solve for x
    x = 1,137,972,862,349.02/1,224,619.74
  6. Step 6: Final answer
    x = 929,245.89

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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.