Home / 1,421,914.40-1,962,265.20-849,004.64

Finding the Fourth Proportional to 1,421,914.40, 1,962,265.20 and 849,004.64

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Solution

The fourth proportional to 1,421,914.40, 1,962,265.20 and 849,004.64 is: 1,171,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,914.40 : 1,962,265.20 = 849,004.64 : x
  2. Step 2: Convert to fraction form
    1,421,914.40/1,962,265.20 = 849,004.64/x
  3. Step 3: Cross multiply
    1,421,914.40x = 1,962,265.20 × 849,004.64
  4. Step 4: Simplify right side
    1,421,914.40x = 1,665,972,259,710.53
  5. Step 5: Solve for x
    x = 1,665,972,259,710.53/1,421,914.40
  6. Step 6: Final answer
    x = 1,171,640.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.