Home / 1,284,463.86-1,926,966.33-485,727.72

Finding the Fourth Proportional to 1,284,463.86, 1,926,966.33 and 485,727.72

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Solution

The fourth proportional to 1,284,463.86, 1,926,966.33 and 485,727.72 is: 728,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,463.86 : 1,926,966.33 = 485,727.72 : x
  2. Step 2: Convert to fraction form
    1,284,463.86/1,926,966.33 = 485,727.72/x
  3. Step 3: Cross multiply
    1,284,463.86x = 1,926,966.33 × 485,727.72
  4. Step 4: Simplify right side
    1,284,463.86x = 935,980,961,987.67
  5. Step 5: Solve for x
    x = 935,980,961,987.67/1,284,463.86
  6. Step 6: Final answer
    x = 728,693.89

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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.