Home / 1,285,631.58-1,928,808.45-476,003.82

Finding the Fourth Proportional to 1,285,631.58, 1,928,808.45 and 476,003.82

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Solution

The fourth proportional to 1,285,631.58, 1,928,808.45 and 476,003.82 is: 714,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,631.58 : 1,928,808.45 = 476,003.82 : x
  2. Step 2: Convert to fraction form
    1,285,631.58/1,928,808.45 = 476,003.82/x
  3. Step 3: Cross multiply
    1,285,631.58x = 1,928,808.45 × 476,003.82
  4. Step 4: Simplify right side
    1,285,631.58x = 918,120,190,248.28
  5. Step 5: Solve for x
    x = 918,120,190,248.28/1,285,631.58
  6. Step 6: Final answer
    x = 714,139.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.