Home / 1,209,828.70-1,814,743.05-849,022.30

Finding the Fourth Proportional to 1,209,828.70, 1,814,743.05 and 849,022.30

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Solution

The fourth proportional to 1,209,828.70, 1,814,743.05 and 849,022.30 is: 1,273,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,828.70 : 1,814,743.05 = 849,022.30 : x
  2. Step 2: Convert to fraction form
    1,209,828.70/1,814,743.05 = 849,022.30/x
  3. Step 3: Cross multiply
    1,209,828.70x = 1,814,743.05 × 849,022.30
  4. Step 4: Simplify right side
    1,209,828.70x = 1,540,757,318,220.02
  5. Step 5: Solve for x
    x = 1,540,757,318,220.02/1,209,828.70
  6. Step 6: Final answer
    x = 1,273,533.45

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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.