Home / 1,328,575.14-1,993,179.08-430,017.03

Finding the Fourth Proportional to 1,328,575.14, 1,993,179.08 and 430,017.03

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Solution

The fourth proportional to 1,328,575.14, 1,993,179.08 and 430,017.03 is: 645,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,575.14 : 1,993,179.08 = 430,017.03 : x
  2. Step 2: Convert to fraction form
    1,328,575.14/1,993,179.08 = 430,017.03/x
  3. Step 3: Cross multiply
    1,328,575.14x = 1,993,179.08 × 430,017.03
  4. Step 4: Simplify right side
    1,328,575.14x = 857,100,946,089.65
  5. Step 5: Solve for x
    x = 857,100,946,089.65/1,328,575.14
  6. Step 6: Final answer
    x = 645,127.94

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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.