Home / 791,973.88-1,185,122.90-685,724.36

Finding the Fourth Proportional to 791,973.88, 1,185,122.90 and 685,724.36

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Solution

The fourth proportional to 791,973.88, 1,185,122.90 and 685,724.36 is: 1,026,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,973.88 : 1,185,122.90 = 685,724.36 : x
  2. Step 2: Convert to fraction form
    791,973.88/1,185,122.90 = 685,724.36/x
  3. Step 3: Cross multiply
    791,973.88x = 1,185,122.90 × 685,724.36
  4. Step 4: Simplify right side
    791,973.88x = 812,667,642,123.84
  5. Step 5: Solve for x
    x = 812,667,642,123.84/791,973.88
  6. Step 6: Final answer
    x = 1,026,129.35

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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.