Home / 1,423,628.91-1,964,608.08-779,049.15

Finding the Fourth Proportional to 1,423,628.91, 1,964,608.08 and 779,049.15

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Solution

The fourth proportional to 1,423,628.91, 1,964,608.08 and 779,049.15 is: 1,075,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,628.91 : 1,964,608.08 = 779,049.15 : x
  2. Step 2: Convert to fraction form
    1,423,628.91/1,964,608.08 = 779,049.15/x
  3. Step 3: Cross multiply
    1,423,628.91x = 1,964,608.08 × 779,049.15
  4. Step 4: Simplify right side
    1,423,628.91x = 1,530,526,254,807.13
  5. Step 5: Solve for x
    x = 1,530,526,254,807.13/1,423,628.91
  6. Step 6: Final answer
    x = 1,075,087.93

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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.