Home / 1,424,070.27-1,965,219.36-770,696.88

Finding the Fourth Proportional to 1,424,070.27, 1,965,219.36 and 770,696.88

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Solution

The fourth proportional to 1,424,070.27, 1,965,219.36 and 770,696.88 is: 1,063,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,070.27 : 1,965,219.36 = 770,696.88 : x
  2. Step 2: Convert to fraction form
    1,424,070.27/1,965,219.36 = 770,696.88/x
  3. Step 3: Cross multiply
    1,424,070.27x = 1,965,219.36 × 770,696.88
  4. Step 4: Simplify right side
    1,424,070.27x = 1,514,588,421,175.50
  5. Step 5: Solve for x
    x = 1,514,588,421,175.50/1,424,070.27
  6. Step 6: Final answer
    x = 1,063,562.98

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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.