Home / 1,282,050.80-1,920,743.40-1,044,105.20

Finding the Fourth Proportional to 1,282,050.80, 1,920,743.40 and 1,044,105.20

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Solution

The fourth proportional to 1,282,050.80, 1,920,743.40 and 1,044,105.20 is: 1,564,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,050.80 : 1,920,743.40 = 1,044,105.20 : x
  2. Step 2: Convert to fraction form
    1,282,050.80/1,920,743.40 = 1,044,105.20/x
  3. Step 3: Cross multiply
    1,282,050.80x = 1,920,743.40 × 1,044,105.20
  4. Step 4: Simplify right side
    1,282,050.80x = 2,005,458,171,805.68
  5. Step 5: Solve for x
    x = 2,005,458,171,805.68/1,282,050.80
  6. Step 6: Final answer
    x = 1,564,257.96

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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.