Home / 1,042,613.64-1,438,064.82-956,849.76

Finding the Fourth Proportional to 1,042,613.64, 1,438,064.82 and 956,849.76

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Solution

The fourth proportional to 1,042,613.64, 1,438,064.82 and 956,849.76 is: 1,319,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,613.64 : 1,438,064.82 = 956,849.76 : x
  2. Step 2: Convert to fraction form
    1,042,613.64/1,438,064.82 = 956,849.76/x
  3. Step 3: Cross multiply
    1,042,613.64x = 1,438,064.82 × 956,849.76
  4. Step 4: Simplify right side
    1,042,613.64x = 1,376,011,977,881.44
  5. Step 5: Solve for x
    x = 1,376,011,977,881.44/1,042,613.64
  6. Step 6: Final answer
    x = 1,319,771.70

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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.