Home / 985,305.60-1,477,958.40-825,873.30

Finding the Fourth Proportional to 985,305.60, 1,477,958.40 and 825,873.30

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Solution

The fourth proportional to 985,305.60, 1,477,958.40 and 825,873.30 is: 1,238,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,305.60 : 1,477,958.40 = 825,873.30 : x
  2. Step 2: Convert to fraction form
    985,305.60/1,477,958.40 = 825,873.30/x
  3. Step 3: Cross multiply
    985,305.60x = 1,477,958.40 × 825,873.30
  4. Step 4: Simplify right side
    985,305.60x = 1,220,606,381,070.72
  5. Step 5: Solve for x
    x = 1,220,606,381,070.72/985,305.60
  6. Step 6: Final answer
    x = 1,238,809.95

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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.