Home / 1,424,062.32-1,965,188.88-770,673.12

Finding the Fourth Proportional to 1,424,062.32, 1,965,188.88 and 770,673.12

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Solution

The fourth proportional to 1,424,062.32, 1,965,188.88 and 770,673.12 is: 1,063,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,062.32 : 1,965,188.88 = 770,673.12 : x
  2. Step 2: Convert to fraction form
    1,424,062.32/1,965,188.88 = 770,673.12/x
  3. Step 3: Cross multiply
    1,424,062.32x = 1,965,188.88 × 770,673.12
  4. Step 4: Simplify right side
    1,424,062.32x = 1,514,518,245,538.91
  5. Step 5: Solve for x
    x = 1,514,518,245,538.91/1,424,062.32
  6. Step 6: Final answer
    x = 1,063,519.64

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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.