Home / 1,228,706.08-1,843,889.10-429,994.54

Finding the Fourth Proportional to 1,228,706.08, 1,843,889.10 and 429,994.54

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Solution

The fourth proportional to 1,228,706.08, 1,843,889.10 and 429,994.54 is: 645,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,706.08 : 1,843,889.10 = 429,994.54 : x
  2. Step 2: Convert to fraction form
    1,228,706.08/1,843,889.10 = 429,994.54/x
  3. Step 3: Cross multiply
    1,228,706.08x = 1,843,889.10 × 429,994.54
  4. Step 4: Simplify right side
    1,228,706.08x = 792,862,245,365.51
  5. Step 5: Solve for x
    x = 792,862,245,365.51/1,228,706.08
  6. Step 6: Final answer
    x = 645,282.27

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1.5x scale

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.