Home / 1,220,553.38-1,830,579.82-462,133.20

Finding the Fourth Proportional to 1,220,553.38, 1,830,579.82 and 462,133.20

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Solution

The fourth proportional to 1,220,553.38, 1,830,579.82 and 462,133.20 is: 693,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,553.38 : 1,830,579.82 = 462,133.20 : x
  2. Step 2: Convert to fraction form
    1,220,553.38/1,830,579.82 = 462,133.20/x
  3. Step 3: Cross multiply
    1,220,553.38x = 1,830,579.82 × 462,133.20
  4. Step 4: Simplify right side
    1,220,553.38x = 845,971,710,072.02
  5. Step 5: Solve for x
    x = 845,971,710,072.02/1,220,553.38
  6. Step 6: Final answer
    x = 693,105.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.