Home / 1,423,633.82-1,964,551.67-779,081.18

Finding the Fourth Proportional to 1,423,633.82, 1,964,551.67 and 779,081.18

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Solution

The fourth proportional to 1,423,633.82, 1,964,551.67 and 779,081.18 is: 1,075,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,633.82 : 1,964,551.67 = 779,081.18 : x
  2. Step 2: Convert to fraction form
    1,423,633.82/1,964,551.67 = 779,081.18/x
  3. Step 3: Cross multiply
    1,423,633.82x = 1,964,551.67 × 779,081.18
  4. Step 4: Simplify right side
    1,423,633.82x = 1,530,545,219,516.41
  5. Step 5: Solve for x
    x = 1,530,545,219,516.41/1,423,633.82
  6. Step 6: Final answer
    x = 1,075,097.55

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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.