Home / 1,423,596.26-1,964,562.79-779,016.53

Finding the Fourth Proportional to 1,423,596.26, 1,964,562.79 and 779,016.53

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Solution

The fourth proportional to 1,423,596.26, 1,964,562.79 and 779,016.53 is: 1,075,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,596.26 : 1,964,562.79 = 779,016.53 : x
  2. Step 2: Convert to fraction form
    1,423,596.26/1,964,562.79 = 779,016.53/x
  3. Step 3: Cross multiply
    1,423,596.26x = 1,964,562.79 × 779,016.53
  4. Step 4: Simplify right side
    1,423,596.26x = 1,530,426,887,632.92
  5. Step 5: Solve for x
    x = 1,530,426,887,632.92/1,423,596.26
  6. Step 6: Final answer
    x = 1,075,042.78

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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.