Home / 1,352,077.28-1,865,891.76-779,020.64

Finding the Fourth Proportional to 1,352,077.28, 1,865,891.76 and 779,020.64

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Solution

The fourth proportional to 1,352,077.28, 1,865,891.76 and 779,020.64 is: 1,075,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,077.28 : 1,865,891.76 = 779,020.64 : x
  2. Step 2: Convert to fraction form
    1,352,077.28/1,865,891.76 = 779,020.64/x
  3. Step 3: Cross multiply
    1,352,077.28x = 1,865,891.76 × 779,020.64
  4. Step 4: Simplify right side
    1,352,077.28x = 1,453,568,193,045.93
  5. Step 5: Solve for x
    x = 1,453,568,193,045.93/1,352,077.28
  6. Step 6: Final answer
    x = 1,075,062.95

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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.