Home / 1,423,732.30-1,964,724.33-779,139.57

Finding the Fourth Proportional to 1,423,732.30, 1,964,724.33 and 779,139.57

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Solution

The fourth proportional to 1,423,732.30, 1,964,724.33 and 779,139.57 is: 1,075,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,732.30 : 1,964,724.33 = 779,139.57 : x
  2. Step 2: Convert to fraction form
    1,423,732.30/1,964,724.33 = 779,139.57/x
  3. Step 3: Cross multiply
    1,423,732.30x = 1,964,724.33 × 779,139.57
  4. Step 4: Simplify right side
    1,423,732.30x = 1,530,794,459,821.12
  5. Step 5: Solve for x
    x = 1,530,794,459,821.12/1,423,732.30
  6. Step 6: Final answer
    x = 1,075,198.24

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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.