Home / 990,464.10-1,485,696.15-923,541.90

Finding the Fourth Proportional to 990,464.10, 1,485,696.15 and 923,541.90

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Solution

The fourth proportional to 990,464.10, 1,485,696.15 and 923,541.90 is: 1,385,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,464.10 : 1,485,696.15 = 923,541.90 : x
  2. Step 2: Convert to fraction form
    990,464.10/1,485,696.15 = 923,541.90/x
  3. Step 3: Cross multiply
    990,464.10x = 1,485,696.15 × 923,541.90
  4. Step 4: Simplify right side
    990,464.10x = 1,372,102,645,193.69
  5. Step 5: Solve for x
    x = 1,372,102,645,193.69/990,464.10
  6. Step 6: Final answer
    x = 1,385,312.85

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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.