Home / 1,374,577.20-2,061,924.12-427,965.84

Finding the Fourth Proportional to 1,374,577.20, 2,061,924.12 and 427,965.84

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Solution

The fourth proportional to 1,374,577.20, 2,061,924.12 and 427,965.84 is: 641,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,577.20 : 2,061,924.12 = 427,965.84 : x
  2. Step 2: Convert to fraction form
    1,374,577.20/2,061,924.12 = 427,965.84/x
  3. Step 3: Cross multiply
    1,374,577.20x = 2,061,924.12 × 427,965.84
  4. Step 4: Simplify right side
    1,374,577.20x = 882,433,088,032.06
  5. Step 5: Solve for x
    x = 882,433,088,032.06/1,374,577.20
  6. Step 6: Final answer
    x = 641,966.92

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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.