Home / 1,229,811.96-1,845,278.40-631,193.44

Finding the Fourth Proportional to 1,229,811.96, 1,845,278.40 and 631,193.44

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Solution

The fourth proportional to 1,229,811.96, 1,845,278.40 and 631,193.44 is: 947,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,811.96 : 1,845,278.40 = 631,193.44 : x
  2. Step 2: Convert to fraction form
    1,229,811.96/1,845,278.40 = 631,193.44/x
  3. Step 3: Cross multiply
    1,229,811.96x = 1,845,278.40 × 631,193.44
  4. Step 4: Simplify right side
    1,229,811.96x = 1,164,727,621,053.70
  5. Step 5: Solve for x
    x = 1,164,727,621,053.70/1,229,811.96
  6. Step 6: Final answer
    x = 947,077.81

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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.