Home / 1,126,485.70-1,693,271.49-978,567.95

Finding the Fourth Proportional to 1,126,485.70, 1,693,271.49 and 978,567.95

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Solution

The fourth proportional to 1,126,485.70, 1,693,271.49 and 978,567.95 is: 1,470,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,485.70 : 1,693,271.49 = 978,567.95 : x
  2. Step 2: Convert to fraction form
    1,126,485.70/1,693,271.49 = 978,567.95/x
  3. Step 3: Cross multiply
    1,126,485.70x = 1,693,271.49 × 978,567.95
  4. Step 4: Simplify right side
    1,126,485.70x = 1,656,981,205,869.91
  5. Step 5: Solve for x
    x = 1,656,981,205,869.91/1,126,485.70
  6. Step 6: Final answer
    x = 1,470,929.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.