Home / 1,771,569.60-2,654,632.80-1,320,172.80

Finding the Fourth Proportional to 1,771,569.60, 2,654,632.80 and 1,320,172.80

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Solution

The fourth proportional to 1,771,569.60, 2,654,632.80 and 1,320,172.80 is: 1,978,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,569.60 : 2,654,632.80 = 1,320,172.80 : x
  2. Step 2: Convert to fraction form
    1,771,569.60/2,654,632.80 = 1,320,172.80/x
  3. Step 3: Cross multiply
    1,771,569.60x = 2,654,632.80 × 1,320,172.80
  4. Step 4: Simplify right side
    1,771,569.60x = 3,504,574,016,547.84
  5. Step 5: Solve for x
    x = 3,504,574,016,547.84/1,771,569.60
  6. Step 6: Final answer
    x = 1,978,231.07

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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.