Home / 1,328,581.20-1,992,871.80-369,034.95

Finding the Fourth Proportional to 1,328,581.20, 1,992,871.80 and 369,034.95

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Solution

The fourth proportional to 1,328,581.20, 1,992,871.80 and 369,034.95 is: 553,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,581.20 : 1,992,871.80 = 369,034.95 : x
  2. Step 2: Convert to fraction form
    1,328,581.20/1,992,871.80 = 369,034.95/x
  3. Step 3: Cross multiply
    1,328,581.20x = 1,992,871.80 × 369,034.95
  4. Step 4: Simplify right side
    1,328,581.20x = 735,439,345,069.41
  5. Step 5: Solve for x
    x = 735,439,345,069.41/1,328,581.20
  6. Step 6: Final answer
    x = 553,552.43

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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.