Home / 1,786,180.86-2,679,358.86-721,090.08

Finding the Fourth Proportional to 1,786,180.86, 2,679,358.86 and 721,090.08

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Solution

The fourth proportional to 1,786,180.86, 2,679,358.86 and 721,090.08 is: 1,081,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,180.86 : 2,679,358.86 = 721,090.08 : x
  2. Step 2: Convert to fraction form
    1,786,180.86/2,679,358.86 = 721,090.08/x
  3. Step 3: Cross multiply
    1,786,180.86x = 2,679,358.86 × 721,090.08
  4. Step 4: Simplify right side
    1,786,180.86x = 1,932,059,094,706.11
  5. Step 5: Solve for x
    x = 1,932,059,094,706.11/1,786,180.86
  6. Step 6: Final answer
    x = 1,081,670.47

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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.