Home / 1,700,999.20-2,551,498.80-1,098,699.40

Finding the Fourth Proportional to 1,700,999.20, 2,551,498.80 and 1,098,699.40

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Solution

The fourth proportional to 1,700,999.20, 2,551,498.80 and 1,098,699.40 is: 1,648,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,999.20 : 2,551,498.80 = 1,098,699.40 : x
  2. Step 2: Convert to fraction form
    1,700,999.20/2,551,498.80 = 1,098,699.40/x
  3. Step 3: Cross multiply
    1,700,999.20x = 2,551,498.80 × 1,098,699.40
  4. Step 4: Simplify right side
    1,700,999.20x = 2,803,330,200,660.72
  5. Step 5: Solve for x
    x = 2,803,330,200,660.72/1,700,999.20
  6. Step 6: Final answer
    x = 1,648,049.10

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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.