Home / 1,269,851.86-1,752,279.69-753,516.64

Finding the Fourth Proportional to 1,269,851.86, 1,752,279.69 and 753,516.64

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Solution

The fourth proportional to 1,269,851.86, 1,752,279.69 and 753,516.64 is: 1,039,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,851.86 : 1,752,279.69 = 753,516.64 : x
  2. Step 2: Convert to fraction form
    1,269,851.86/1,752,279.69 = 753,516.64/x
  3. Step 3: Cross multiply
    1,269,851.86x = 1,752,279.69 × 753,516.64
  4. Step 4: Simplify right side
    1,269,851.86x = 1,320,371,904,349.04
  5. Step 5: Solve for x
    x = 1,320,371,904,349.04/1,269,851.86
  6. Step 6: Final answer
    x = 1,039,784.20

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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.