Home / 1,415,893.26-1,953,922.60-771,313.29

Finding the Fourth Proportional to 1,415,893.26, 1,953,922.60 and 771,313.29

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Solution

The fourth proportional to 1,415,893.26, 1,953,922.60 and 771,313.29 is: 1,064,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,893.26 : 1,953,922.60 = 771,313.29 : x
  2. Step 2: Convert to fraction form
    1,415,893.26/1,953,922.60 = 771,313.29/x
  3. Step 3: Cross multiply
    1,415,893.26x = 1,953,922.60 × 771,313.29
  4. Step 4: Simplify right side
    1,415,893.26x = 1,507,086,462,648.29
  5. Step 5: Solve for x
    x = 1,507,086,462,648.29/1,415,893.26
  6. Step 6: Final answer
    x = 1,064,406.83

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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.