Home / 1,371,242.82-1,892,630.04-912,376.74

Finding the Fourth Proportional to 1,371,242.82, 1,892,630.04 and 912,376.74

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Solution

The fourth proportional to 1,371,242.82, 1,892,630.04 and 912,376.74 is: 1,259,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,242.82 : 1,892,630.04 = 912,376.74 : x
  2. Step 2: Convert to fraction form
    1,371,242.82/1,892,630.04 = 912,376.74/x
  3. Step 3: Cross multiply
    1,371,242.82x = 1,892,630.04 × 912,376.74
  4. Step 4: Simplify right side
    1,371,242.82x = 1,726,791,629,597.22
  5. Step 5: Solve for x
    x = 1,726,791,629,597.22/1,371,242.82
  6. Step 6: Final answer
    x = 1,259,289.46

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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.