Home / 1,228,710.80-1,843,066.20-697,269.80

Finding the Fourth Proportional to 1,228,710.80, 1,843,066.20 and 697,269.80

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Solution

The fourth proportional to 1,228,710.80, 1,843,066.20 and 697,269.80 is: 1,045,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,710.80 : 1,843,066.20 = 697,269.80 : x
  2. Step 2: Convert to fraction form
    1,228,710.80/1,843,066.20 = 697,269.80/x
  3. Step 3: Cross multiply
    1,228,710.80x = 1,843,066.20 × 697,269.80
  4. Step 4: Simplify right side
    1,228,710.80x = 1,285,114,400,660.76
  5. Step 5: Solve for x
    x = 1,285,114,400,660.76/1,228,710.80
  6. Step 6: Final answer
    x = 1,045,904.70

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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.