Home / 1,282,425.40-1,769,429.10-829,171

Finding the Fourth Proportional to 1,282,425.40, 1,769,429.10 and 829,171

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Solution

The fourth proportional to 1,282,425.40, 1,769,429.10 and 829,171 is: 1,144,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,425.40 : 1,769,429.10 = 829,171 : x
  2. Step 2: Convert to fraction form
    1,282,425.40/1,769,429.10 = 829,171/x
  3. Step 3: Cross multiply
    1,282,425.40x = 1,769,429.10 × 829,171
  4. Step 4: Simplify right side
    1,282,425.40x = 1,467,159,296,276.10
  5. Step 5: Solve for x
    x = 1,467,159,296,276.10/1,282,425.40
  6. Step 6: Final answer
    x = 1,144,050.40

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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.