Home / 1,296,004.10-1,788,486.78-723,044.39

Finding the Fourth Proportional to 1,296,004.10, 1,788,486.78 and 723,044.39

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Solution

The fourth proportional to 1,296,004.10, 1,788,486.78 and 723,044.39 is: 997,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,004.10 : 1,788,486.78 = 723,044.39 : x
  2. Step 2: Convert to fraction form
    1,296,004.10/1,788,486.78 = 723,044.39/x
  3. Step 3: Cross multiply
    1,296,004.10x = 1,788,486.78 × 723,044.39
  4. Step 4: Simplify right side
    1,296,004.10x = 1,293,155,323,925.73
  5. Step 5: Solve for x
    x = 1,293,155,323,925.73/1,296,004.10
  6. Step 6: Final answer
    x = 997,801.88

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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.