Home / 1,352,434.38-1,866,359.45-779,511.46

Finding the Fourth Proportional to 1,352,434.38, 1,866,359.45 and 779,511.46

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Solution

The fourth proportional to 1,352,434.38, 1,866,359.45 and 779,511.46 is: 1,075,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,434.38 : 1,866,359.45 = 779,511.46 : x
  2. Step 2: Convert to fraction form
    1,352,434.38/1,866,359.45 = 779,511.46/x
  3. Step 3: Cross multiply
    1,352,434.38x = 1,866,359.45 × 779,511.46
  4. Step 4: Simplify right side
    1,352,434.38x = 1,454,848,566,524.94
  5. Step 5: Solve for x
    x = 1,454,848,566,524.94/1,352,434.38
  6. Step 6: Final answer
    x = 1,075,725.81

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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.