Home / 1,328,306.65-1,992,246.13-381,462.01

Finding the Fourth Proportional to 1,328,306.65, 1,992,246.13 and 381,462.01

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Solution

The fourth proportional to 1,328,306.65, 1,992,246.13 and 381,462.01 is: 572,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,306.65 : 1,992,246.13 = 381,462.01 : x
  2. Step 2: Convert to fraction form
    1,328,306.65/1,992,246.13 = 381,462.01/x
  3. Step 3: Cross multiply
    1,328,306.65x = 1,992,246.13 × 381,462.01
  4. Step 4: Simplify right side
    1,328,306.65x = 759,966,213,164.52
  5. Step 5: Solve for x
    x = 759,966,213,164.52/1,328,306.65
  6. Step 6: Final answer
    x = 572,131.60

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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.