Home / 1,386,281.70-2,079,422.55-1,367,619.30

Finding the Fourth Proportional to 1,386,281.70, 2,079,422.55 and 1,367,619.30

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Solution

The fourth proportional to 1,386,281.70, 2,079,422.55 and 1,367,619.30 is: 2,051,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,281.70 : 2,079,422.55 = 1,367,619.30 : x
  2. Step 2: Convert to fraction form
    1,386,281.70/2,079,422.55 = 1,367,619.30/x
  3. Step 3: Cross multiply
    1,386,281.70x = 2,079,422.55 × 1,367,619.30
  4. Step 4: Simplify right side
    1,386,281.70x = 2,843,858,412,235.22
  5. Step 5: Solve for x
    x = 2,843,858,412,235.22/1,386,281.70
  6. Step 6: Final answer
    x = 2,051,428.95

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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.