Home / 1,428,945.44-2,142,966.43-469,242.83

Finding the Fourth Proportional to 1,428,945.44, 2,142,966.43 and 469,242.83

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Solution

The fourth proportional to 1,428,945.44, 2,142,966.43 and 469,242.83 is: 703,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,945.44 : 2,142,966.43 = 469,242.83 : x
  2. Step 2: Convert to fraction form
    1,428,945.44/2,142,966.43 = 469,242.83/x
  3. Step 3: Cross multiply
    1,428,945.44x = 2,142,966.43 × 469,242.83
  4. Step 4: Simplify right side
    1,428,945.44x = 1,005,571,626,097.98
  5. Step 5: Solve for x
    x = 1,005,571,626,097.98/1,428,945.44
  6. Step 6: Final answer
    x = 703,715.90

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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.