Home / 1,296,463.86-1,789,109.78-752,650.11

Finding the Fourth Proportional to 1,296,463.86, 1,789,109.78 and 752,650.11

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Solution

The fourth proportional to 1,296,463.86, 1,789,109.78 and 752,650.11 is: 1,038,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,463.86 : 1,789,109.78 = 752,650.11 : x
  2. Step 2: Convert to fraction form
    1,296,463.86/1,789,109.78 = 752,650.11/x
  3. Step 3: Cross multiply
    1,296,463.86x = 1,789,109.78 × 752,650.11
  4. Step 4: Simplify right side
    1,296,463.86x = 1,346,573,668,955.83
  5. Step 5: Solve for x
    x = 1,346,573,668,955.83/1,296,463.86
  6. Step 6: Final answer
    x = 1,038,651.14

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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.