Home / 1,771,607.60-2,654,689.80-1,320,210.80

Finding the Fourth Proportional to 1,771,607.60, 2,654,689.80 and 1,320,210.80

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Solution

The fourth proportional to 1,771,607.60, 2,654,689.80 and 1,320,210.80 is: 1,978,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,607.60 : 2,654,689.80 = 1,320,210.80 : x
  2. Step 2: Convert to fraction form
    1,771,607.60/2,654,689.80 = 1,320,210.80/x
  3. Step 3: Cross multiply
    1,771,607.60x = 2,654,689.80 × 1,320,210.80
  4. Step 4: Simplify right side
    1,771,607.60x = 3,504,750,144,609.84
  5. Step 5: Solve for x
    x = 3,504,750,144,609.84/1,771,607.60
  6. Step 6: Final answer
    x = 1,978,288.05

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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.