Home / 1,660,167.60-2,490,251.40-939,769.80

Finding the Fourth Proportional to 1,660,167.60, 2,490,251.40 and 939,769.80

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Solution

The fourth proportional to 1,660,167.60, 2,490,251.40 and 939,769.80 is: 1,409,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,167.60 : 2,490,251.40 = 939,769.80 : x
  2. Step 2: Convert to fraction form
    1,660,167.60/2,490,251.40 = 939,769.80/x
  3. Step 3: Cross multiply
    1,660,167.60x = 2,490,251.40 × 939,769.80
  4. Step 4: Simplify right side
    1,660,167.60x = 2,340,263,060,127.72
  5. Step 5: Solve for x
    x = 2,340,263,060,127.72/1,660,167.60
  6. Step 6: Final answer
    x = 1,409,654.70

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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.