Home / 1,045,625.80-1,568,438.70-779,905.30

Finding the Fourth Proportional to 1,045,625.80, 1,568,438.70 and 779,905.30

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Solution

The fourth proportional to 1,045,625.80, 1,568,438.70 and 779,905.30 is: 1,169,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,625.80 : 1,568,438.70 = 779,905.30 : x
  2. Step 2: Convert to fraction form
    1,045,625.80/1,568,438.70 = 779,905.30/x
  3. Step 3: Cross multiply
    1,045,625.80x = 1,568,438.70 × 779,905.30
  4. Step 4: Simplify right side
    1,045,625.80x = 1,223,233,654,855.11
  5. Step 5: Solve for x
    x = 1,223,233,654,855.11/1,045,625.80
  6. Step 6: Final answer
    x = 1,169,857.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.