Home / 1,423,620.90-1,964,596.65-779,040.92

Finding the Fourth Proportional to 1,423,620.90, 1,964,596.65 and 779,040.92

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Solution

The fourth proportional to 1,423,620.90, 1,964,596.65 and 779,040.92 is: 1,075,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,620.90 : 1,964,596.65 = 779,040.92 : x
  2. Step 2: Convert to fraction form
    1,423,620.90/1,964,596.65 = 779,040.92/x
  3. Step 3: Cross multiply
    1,423,620.90x = 1,964,596.65 × 779,040.92
  4. Step 4: Simplify right side
    1,423,620.90x = 1,530,501,183,635.01
  5. Step 5: Solve for x
    x = 1,530,501,183,635.01/1,423,620.90
  6. Step 6: Final answer
    x = 1,075,076.37

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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.