Home / 1,296,383.01-1,789,008.90-715,606.49

Finding the Fourth Proportional to 1,296,383.01, 1,789,008.90 and 715,606.49

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Solution

The fourth proportional to 1,296,383.01, 1,789,008.90 and 715,606.49 is: 987,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,383.01 : 1,789,008.90 = 715,606.49 : x
  2. Step 2: Convert to fraction form
    1,296,383.01/1,789,008.90 = 715,606.49/x
  3. Step 3: Cross multiply
    1,296,383.01x = 1,789,008.90 × 715,606.49
  4. Step 4: Simplify right side
    1,296,383.01x = 1,280,226,370,562.72
  5. Step 5: Solve for x
    x = 1,280,226,370,562.72/1,296,383.01
  6. Step 6: Final answer
    x = 987,537.14

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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.