Home / 1,220,694.51-1,684,732.74-676,951.23

Finding the Fourth Proportional to 1,220,694.51, 1,684,732.74 and 676,951.23

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Solution

The fourth proportional to 1,220,694.51, 1,684,732.74 and 676,951.23 is: 934,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,694.51 : 1,684,732.74 = 676,951.23 : x
  2. Step 2: Convert to fraction form
    1,220,694.51/1,684,732.74 = 676,951.23/x
  3. Step 3: Cross multiply
    1,220,694.51x = 1,684,732.74 × 676,951.23
  4. Step 4: Simplify right side
    1,220,694.51x = 1,140,481,900,564.27
  5. Step 5: Solve for x
    x = 1,140,481,900,564.27/1,220,694.51
  6. Step 6: Final answer
    x = 934,289.37

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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.