Home / 1,027,968.75-1,418,400.05-665,342.28

Finding the Fourth Proportional to 1,027,968.75, 1,418,400.05 and 665,342.28

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Solution

The fourth proportional to 1,027,968.75, 1,418,400.05 and 665,342.28 is: 918,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,968.75 : 1,418,400.05 = 665,342.28 : x
  2. Step 2: Convert to fraction form
    1,027,968.75/1,418,400.05 = 665,342.28/x
  3. Step 3: Cross multiply
    1,027,968.75x = 1,418,400.05 × 665,342.28
  4. Step 4: Simplify right side
    1,027,968.75x = 943,721,519,892.40
  5. Step 5: Solve for x
    x = 943,721,519,892.40/1,027,968.75
  6. Step 6: Final answer
    x = 918,044.95

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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.