Home / 1,265,716.38-1,746,693.18-684,939.45

Finding the Fourth Proportional to 1,265,716.38, 1,746,693.18 and 684,939.45

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Solution

The fourth proportional to 1,265,716.38, 1,746,693.18 and 684,939.45 is: 945,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,716.38 : 1,746,693.18 = 684,939.45 : x
  2. Step 2: Convert to fraction form
    1,265,716.38/1,746,693.18 = 684,939.45/x
  3. Step 3: Cross multiply
    1,265,716.38x = 1,746,693.18 × 684,939.45
  4. Step 4: Simplify right side
    1,265,716.38x = 1,196,379,066,027.95
  5. Step 5: Solve for x
    x = 1,196,379,066,027.95/1,265,716.38
  6. Step 6: Final answer
    x = 945,218.92

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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.