Home / 1,412,085.28-1,948,690.62-767,506.96

Finding the Fourth Proportional to 1,412,085.28, 1,948,690.62 and 767,506.96

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Solution

The fourth proportional to 1,412,085.28, 1,948,690.62 and 767,506.96 is: 1,059,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,085.28 : 1,948,690.62 = 767,506.96 : x
  2. Step 2: Convert to fraction form
    1,412,085.28/1,948,690.62 = 767,506.96/x
  3. Step 3: Cross multiply
    1,412,085.28x = 1,948,690.62 × 767,506.96
  4. Step 4: Simplify right side
    1,412,085.28x = 1,495,633,613,736.72
  5. Step 5: Solve for x
    x = 1,495,633,613,736.72/1,412,085.28
  6. Step 6: Final answer
    x = 1,059,166.63

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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.