Home / 1,195,814.34-1,649,290.68-766,134.72

Finding the Fourth Proportional to 1,195,814.34, 1,649,290.68 and 766,134.72

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Solution

The fourth proportional to 1,195,814.34, 1,649,290.68 and 766,134.72 is: 1,056,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,814.34 : 1,649,290.68 = 766,134.72 : x
  2. Step 2: Convert to fraction form
    1,195,814.34/1,649,290.68 = 766,134.72/x
  3. Step 3: Cross multiply
    1,195,814.34x = 1,649,290.68 × 766,134.72
  4. Step 4: Simplify right side
    1,195,814.34x = 1,263,578,853,320.41
  5. Step 5: Solve for x
    x = 1,263,578,853,320.41/1,195,814.34
  6. Step 6: Final answer
    x = 1,056,668.09

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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.