Home / 990,013.66-1,482,508.56-829,667.95

Finding the Fourth Proportional to 990,013.66, 1,482,508.56 and 829,667.95

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Solution

The fourth proportional to 990,013.66, 1,482,508.56 and 829,667.95 is: 1,242,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,013.66 : 1,482,508.56 = 829,667.95 : x
  2. Step 2: Convert to fraction form
    990,013.66/1,482,508.56 = 829,667.95/x
  3. Step 3: Cross multiply
    990,013.66x = 1,482,508.56 × 829,667.95
  4. Step 4: Simplify right side
    990,013.66x = 1,229,989,837,832.65
  5. Step 5: Solve for x
    x = 1,229,989,837,832.65/990,013.66
  6. Step 6: Final answer
    x = 1,242,396.84

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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.