Home / 1,423,622.91-1,964,599.80-779,043.15

Finding the Fourth Proportional to 1,423,622.91, 1,964,599.80 and 779,043.15

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Solution

The fourth proportional to 1,423,622.91, 1,964,599.80 and 779,043.15 is: 1,075,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,622.91 : 1,964,599.80 = 779,043.15 : x
  2. Step 2: Convert to fraction form
    1,423,622.91/1,964,599.80 = 779,043.15/x
  3. Step 3: Cross multiply
    1,423,622.91x = 1,964,599.80 × 779,043.15
  4. Step 4: Simplify right side
    1,423,622.91x = 1,530,508,016,681.37
  5. Step 5: Solve for x
    x = 1,530,508,016,681.37/1,423,622.91
  6. Step 6: Final answer
    x = 1,075,079.65

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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.