Home / 1,245,019.70-1,867,529.55-1,098,053.30

Finding the Fourth Proportional to 1,245,019.70, 1,867,529.55 and 1,098,053.30

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Solution

The fourth proportional to 1,245,019.70, 1,867,529.55 and 1,098,053.30 is: 1,647,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,019.70 : 1,867,529.55 = 1,098,053.30 : x
  2. Step 2: Convert to fraction form
    1,245,019.70/1,867,529.55 = 1,098,053.30/x
  3. Step 3: Cross multiply
    1,245,019.70x = 1,867,529.55 × 1,098,053.30
  4. Step 4: Simplify right side
    1,245,019.70x = 2,050,646,985,225.02
  5. Step 5: Solve for x
    x = 2,050,646,985,225.02/1,245,019.70
  6. Step 6: Final answer
    x = 1,647,079.95

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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.