Home / 1,221,912.04-1,834,208.84-970,806.64

Finding the Fourth Proportional to 1,221,912.04, 1,834,208.84 and 970,806.64

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Solution

The fourth proportional to 1,221,912.04, 1,834,208.84 and 970,806.64 is: 1,457,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,912.04 : 1,834,208.84 = 970,806.64 : x
  2. Step 2: Convert to fraction form
    1,221,912.04/1,834,208.84 = 970,806.64/x
  3. Step 3: Cross multiply
    1,221,912.04x = 1,834,208.84 × 970,806.64
  4. Step 4: Simplify right side
    1,221,912.04x = 1,780,662,121,018.70
  5. Step 5: Solve for x
    x = 1,780,662,121,018.70/1,221,912.04
  6. Step 6: Final answer
    x = 1,457,275.21

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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.