Home / 1,230,208.20-1,845,312.30-751,911.30

Finding the Fourth Proportional to 1,230,208.20, 1,845,312.30 and 751,911.30

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Solution

The fourth proportional to 1,230,208.20, 1,845,312.30 and 751,911.30 is: 1,127,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,208.20 : 1,845,312.30 = 751,911.30 : x
  2. Step 2: Convert to fraction form
    1,230,208.20/1,845,312.30 = 751,911.30/x
  3. Step 3: Cross multiply
    1,230,208.20x = 1,845,312.30 × 751,911.30
  4. Step 4: Simplify right side
    1,230,208.20x = 1,387,511,170,398.99
  5. Step 5: Solve for x
    x = 1,387,511,170,398.99/1,230,208.20
  6. Step 6: Final answer
    x = 1,127,866.95

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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.