Home / 1,098,983.30-1,648,474.95-990,508.10

Finding the Fourth Proportional to 1,098,983.30, 1,648,474.95 and 990,508.10

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Solution

The fourth proportional to 1,098,983.30, 1,648,474.95 and 990,508.10 is: 1,485,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,983.30 : 1,648,474.95 = 990,508.10 : x
  2. Step 2: Convert to fraction form
    1,098,983.30/1,648,474.95 = 990,508.10/x
  3. Step 3: Cross multiply
    1,098,983.30x = 1,648,474.95 × 990,508.10
  4. Step 4: Simplify right side
    1,098,983.30x = 1,632,827,790,622.10
  5. Step 5: Solve for x
    x = 1,632,827,790,622.10/1,098,983.30
  6. Step 6: Final answer
    x = 1,485,762.15

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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.