Home / 1,423,615.23-1,964,589.09-779,035.46

Finding the Fourth Proportional to 1,423,615.23, 1,964,589.09 and 779,035.46

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Solution

The fourth proportional to 1,423,615.23, 1,964,589.09 and 779,035.46 is: 1,075,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,615.23 : 1,964,589.09 = 779,035.46 : x
  2. Step 2: Convert to fraction form
    1,423,615.23/1,964,589.09 = 779,035.46/x
  3. Step 3: Cross multiply
    1,423,615.23x = 1,964,589.09 × 779,035.46
  4. Step 4: Simplify right side
    1,423,615.23x = 1,530,484,552,694.80
  5. Step 5: Solve for x
    x = 1,530,484,552,694.80/1,423,615.23
  6. Step 6: Final answer
    x = 1,075,068.97

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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.