Home / 1,296,678.39-1,943,687.39-497,744.79

Finding the Fourth Proportional to 1,296,678.39, 1,943,687.39 and 497,744.79

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Solution

The fourth proportional to 1,296,678.39, 1,943,687.39 and 497,744.79 is: 746,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,678.39 : 1,943,687.39 = 497,744.79 : x
  2. Step 2: Convert to fraction form
    1,296,678.39/1,943,687.39 = 497,744.79/x
  3. Step 3: Cross multiply
    1,296,678.39x = 1,943,687.39 × 497,744.79
  4. Step 4: Simplify right side
    1,296,678.39x = 967,460,269,272.47
  5. Step 5: Solve for x
    x = 967,460,269,272.47/1,296,678.39
  6. Step 6: Final answer
    x = 746,106.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.