Home / 1,617,246.20-2,422,370.10-868,417.40

Finding the Fourth Proportional to 1,617,246.20, 2,422,370.10 and 868,417.40

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Solution

The fourth proportional to 1,617,246.20, 2,422,370.10 and 868,417.40 is: 1,300,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,246.20 : 2,422,370.10 = 868,417.40 : x
  2. Step 2: Convert to fraction form
    1,617,246.20/2,422,370.10 = 868,417.40/x
  3. Step 3: Cross multiply
    1,617,246.20x = 2,422,370.10 × 868,417.40
  4. Step 4: Simplify right side
    1,617,246.20x = 2,103,628,344,079.74
  5. Step 5: Solve for x
    x = 2,103,628,344,079.74/1,617,246.20
  6. Step 6: Final answer
    x = 1,300,747.12

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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.