Home / 1,265,992.04-1,747,068.87-685,215.07

Finding the Fourth Proportional to 1,265,992.04, 1,747,068.87 and 685,215.07

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Solution

The fourth proportional to 1,265,992.04, 1,747,068.87 and 685,215.07 is: 945,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,992.04 : 1,747,068.87 = 685,215.07 : x
  2. Step 2: Convert to fraction form
    1,265,992.04/1,747,068.87 = 685,215.07/x
  3. Step 3: Cross multiply
    1,265,992.04x = 1,747,068.87 × 685,215.07
  4. Step 4: Simplify right side
    1,265,992.04x = 1,197,117,913,684.20
  5. Step 5: Solve for x
    x = 1,197,117,913,684.20/1,265,992.04
  6. Step 6: Final answer
    x = 945,596.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.