Home / 1,220,761.34-1,684,495.85-669,332.03

Finding the Fourth Proportional to 1,220,761.34, 1,684,495.85 and 669,332.03

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Solution

The fourth proportional to 1,220,761.34, 1,684,495.85 and 669,332.03 is: 923,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,761.34 : 1,684,495.85 = 669,332.03 : x
  2. Step 2: Convert to fraction form
    1,220,761.34/1,684,495.85 = 669,332.03/x
  3. Step 3: Cross multiply
    1,220,761.34x = 1,684,495.85 × 669,332.03
  4. Step 4: Simplify right side
    1,220,761.34x = 1,127,487,015,037.94
  5. Step 5: Solve for x
    x = 1,127,487,015,037.94/1,220,761.34
  6. Step 6: Final answer
    x = 923,593.31

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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.