Home / 1,489,617.70-2,234,426.55-779,863.30

Finding the Fourth Proportional to 1,489,617.70, 2,234,426.55 and 779,863.30

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Solution

The fourth proportional to 1,489,617.70, 2,234,426.55 and 779,863.30 is: 1,169,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,617.70 : 2,234,426.55 = 779,863.30 : x
  2. Step 2: Convert to fraction form
    1,489,617.70/2,234,426.55 = 779,863.30/x
  3. Step 3: Cross multiply
    1,489,617.70x = 2,234,426.55 × 779,863.30
  4. Step 4: Simplify right side
    1,489,617.70x = 1,742,547,262,890.62
  5. Step 5: Solve for x
    x = 1,742,547,262,890.62/1,489,617.70
  6. Step 6: Final answer
    x = 1,169,794.95

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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.