Home / 990,010.95-1,482,504.50-829,665.23

Finding the Fourth Proportional to 990,010.95, 1,482,504.50 and 829,665.23

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Solution

The fourth proportional to 990,010.95, 1,482,504.50 and 829,665.23 is: 1,242,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,010.95 : 1,482,504.50 = 829,665.23 : x
  2. Step 2: Convert to fraction form
    990,010.95/1,482,504.50 = 829,665.23/x
  3. Step 3: Cross multiply
    990,010.95x = 1,482,504.50 × 829,665.23
  4. Step 4: Simplify right side
    990,010.95x = 1,229,982,425,407.69
  5. Step 5: Solve for x
    x = 1,229,982,425,407.69/990,010.95
  6. Step 6: Final answer
    x = 1,242,392.75

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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.