Home / 1,565,009.81-2,347,851.68-485,500.49

Finding the Fourth Proportional to 1,565,009.81, 2,347,851.68 and 485,500.49

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Solution

The fourth proportional to 1,565,009.81, 2,347,851.68 and 485,500.49 is: 728,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,009.81 : 2,347,851.68 = 485,500.49 : x
  2. Step 2: Convert to fraction form
    1,565,009.81/2,347,851.68 = 485,500.49/x
  3. Step 3: Cross multiply
    1,565,009.81x = 2,347,851.68 × 485,500.49
  4. Step 4: Simplify right side
    1,565,009.81x = 1,139,883,138,659.82
  5. Step 5: Solve for x
    x = 1,139,883,138,659.82/1,565,009.81
  6. Step 6: Final answer
    x = 728,355.27

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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.