Home / 1,238,246.74-1,857,370.52-817,424.20

Finding the Fourth Proportional to 1,238,246.74, 1,857,370.52 and 817,424.20

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Solution

The fourth proportional to 1,238,246.74, 1,857,370.52 and 817,424.20 is: 1,226,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,246.74 : 1,857,370.52 = 817,424.20 : x
  2. Step 2: Convert to fraction form
    1,238,246.74/1,857,370.52 = 817,424.20/x
  3. Step 3: Cross multiply
    1,238,246.74x = 1,857,370.52 × 817,424.20
  4. Step 4: Simplify right side
    1,238,246.74x = 1,518,259,611,414.58
  5. Step 5: Solve for x
    x = 1,518,259,611,414.58/1,238,246.74
  6. Step 6: Final answer
    x = 1,226,136.57

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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.