Home / 1,423,802.30-1,964,847.96-779,222.12

Finding the Fourth Proportional to 1,423,802.30, 1,964,847.96 and 779,222.12

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Solution

The fourth proportional to 1,423,802.30, 1,964,847.96 and 779,222.12 is: 1,075,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,802.30 : 1,964,847.96 = 779,222.12 : x
  2. Step 2: Convert to fraction form
    1,423,802.30/1,964,847.96 = 779,222.12/x
  3. Step 3: Cross multiply
    1,423,802.30x = 1,964,847.96 × 779,222.12
  4. Step 4: Simplify right side
    1,423,802.30x = 1,531,052,992,868.88
  5. Step 5: Solve for x
    x = 1,531,052,992,868.88/1,423,802.30
  6. Step 6: Final answer
    x = 1,075,326.96

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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.