Home / 1,281,772.80-1,922,768.96-335,142

Finding the Fourth Proportional to 1,281,772.80, 1,922,768.96 and 335,142

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Solution

The fourth proportional to 1,281,772.80, 1,922,768.96 and 335,142 is: 502,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,772.80 : 1,922,768.96 = 335,142 : x
  2. Step 2: Convert to fraction form
    1,281,772.80/1,922,768.96 = 335,142/x
  3. Step 3: Cross multiply
    1,281,772.80x = 1,922,768.96 × 335,142
  4. Step 4: Simplify right side
    1,281,772.80x = 644,400,633,116.61
  5. Step 5: Solve for x
    x = 644,400,633,116.61/1,281,772.80
  6. Step 6: Final answer
    x = 502,741.70

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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.